application.properties — DNS & WHOIS Analysis

● 📋 Domain Registration

PASS

Registrar	Sav.com, LLC - 47
Registrar ID	3937
Created	Nov 19, 2022
Updated	Oct 27, 2025
Expires	Nov 19, 2026 (101 days left)
DNSSEC	✗ Unsigned
Status	active
RDAP Nameservers	jean.ns.cloudflare.com kevin.ns.cloudflare.com

● 🌐 DNS Records

PASS

SOA Records (1)

Name	Value	TTL
application.properties	jean.ns.cloudflare.com dns.cloudflare.com 2407755664 10000 2400 604800 1800	1800

NS Records (2)

Name	Value	TTL
application.properties	jean.ns.cloudflare.com	86400
application.properties	kevin.ns.cloudflare.com	86400

A Records (2)

Name	Value	TTL
application.properties	104.21.64.228	300
application.properties	172.67.156.64	300

AAAA Records (2)

Name	Value	TTL
application.properties	2606:4700:3031::6815:40e4	300
application.properties	2606:4700:3032::ac43:9c40	300

MX Records (2)

Name	Value	TTL
application.properties	mx01.mail.icloud.com	3600
application.properties	mx02.mail.icloud.com	3600

TXT Records (2)

Name	Value	TTL
application.properties	apple-domain=YVCwE3VgvrJiANcT	3600
application.properties	v=spf1 include:icloud.com ~all	3600

● 🔗 Parent Nameservers

PASS

Nameserver	IPv4	IPv6	Glue
jean.ns.cloudflare.com	108.162.192.121, 173.245.58.121, 172.64.32.121	2606:4700:50::adf5:3a79, 2803:f800:50::6ca2:c079, 2a06:98c1:50::ac40:2079	No
kevin.ns.cloudflare.com	108.162.193.191, 173.245.59.191, 172.64.33.191	2606:4700:58::adf5:3bbf, 2803:f800:50::6ca2:c1bf, 2a06:98c1:50::ac40:21bf	No

✓	Nameservers Listed at Parent	The parent TLD nameserver has 2 nameserver(s) listed for application.properties. jean.ns.cloudflare.com kevin.ns.cloudflare.com
✓	Minimum Nameserver Count	2 nameservers found. Good redundancy.
✓	Public IP: jean.ns.cloudflare.com	Nameserver jean.ns.cloudflare.com has a public IP address.
✓	Public IP: kevin.ns.cloudflare.com	Nameserver kevin.ns.cloudflare.com has a public IP address.
✓	Parent/Auth NS Consistency	The nameservers listed at the parent match those returned by the authoritative nameservers.

● 🖥️ Authoritative Nameservers

PASS

Nameserver	UDP	TCP	Auth	Recursion	IPv6	Latency
jean.ns.cloudflare.com	✓	✓	✓	Closed	✓	12ms
kevin.ns.cloudflare.com	✓	✓	✓	Closed	✓	13ms

✓	Authoritative Nameservers Found	Found 2 authoritative nameserver(s): kevin.ns.cloudflare.com, jean.ns.cloudflare.com
✓	All Nameservers Respond	All authoritative nameservers are responding to DNS queries.
✓	UDP DNS (Port 53)	At least one nameserver is responding to UDP DNS queries on port 53.
✓	TCP DNS (Port 53)	TCP DNS queries are supported. Required for large responses and DNSSEC.
✓	Authoritative Response	At least one nameserver returns an authoritative (AA) response for the zone.
✓	Open Recursion	Nameservers do not appear to answer recursive queries from outside. Good.
✓	Public IP Addresses	All nameservers have publicly routable IP addresses.
✓	IPv6 Support	At least one nameserver has an IPv6 (AAAA) address.
✓	NS Record Consistency	All authoritative nameservers return identical NS records.
✓	Multiple Network Diversity	Nameservers appear to be on different subnets/networks. Good resilience.

● 📄 SOA Record

INFO

Primary NS (MNAME)	jean.ns.cloudflare.com
Email (RNAME)	dns.cloudflare.com
Serial	2407755664
Refresh	10000 (2h 46m)
Retry	2400 (40 min)
Expire	604800 (7 days)
Minimum TTL	1800 (30 min)

✓	SOA Record Exists	SOA record found for application.properties.
✓	SOA MNAME	SOA MNAME (jean.ns.cloudflare.com) is listed as an authoritative nameserver.
✓	SOA RNAME	SOA contact email: dns@cloudflare.com
ℹ	SOA Serial Format	SOA serial is 2407755664. The recommended format is YYYYMMDDNN (e.g., 2024010101).
✓	SOA Serial Consistency	All authoritative nameservers return the same SOA serial number.
✓	SOA Refresh	SOA Refresh is 10000 seconds (2h). Reasonable value.
✓	SOA Retry	SOA Retry is 2400 seconds.
✓	SOA Expire	SOA Expire is 604800 seconds (7 days). Reasonable value.
✓	SOA Minimum TTL	SOA Minimum TTL (negative caching) is 1800 seconds.

● 📧 Mail Servers (MX)

WARNING

Priority	Hostname	IPv4	IPv6	PTR
10	mx01.mail.icloud.com	17.57.152.5, 17.42.251.62, 17.56.9.31, 17.57.156.30, 17.57.155.25, 17.57.154.33	-	ic4-privaterelay.appleid.com, mx01.mail.icloud.com, smtp1.ic4-privaterelay.appleid.com, mx02.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx3.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com
10	mx02.mail.icloud.com	17.42.251.62, 17.57.155.25, 17.56.9.31, 17.57.156.30, 17.57.152.5, 17.57.154.33	-	mx3.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com, mx01.mail.icloud.com, mx02.mail.icloud.com, ic4-privaterelay.appleid.com, mx01.mail.icloud.com, mx02.mail.icloud.com, smtp1.ic4-privaterelay.appleid.com, mx02.mail.icloud.com, mx01.mail.icloud.com

✓	MX Records Exist	Found 2 MX record(s) for application.properties.
✓	MX Redundancy	Multiple MX records found (2). Good for redundancy.
⚠	Duplicate MX IP Addresses	Multiple MX records resolve to the same IP address(es): 17.57.152.5, 17.42.251.62, 17.56.9.31, 17.57.156.30, 17.57.155.25, 17.57.154.33. This reduces redundancy.
✓	MX Reverse DNS (PTR)	MX server(s) have PTR (reverse DNS) records. Many mail servers require rDNS for anti-spam.
✓	MX Consistency	All authoritative nameservers return consistent MX records.

● 🌍 WWW / Web

INFO

Target	Type	IPs
www.application.properties	A	172.67.156.64, 104.21.64.228, 2606:4700:3031::6815:40e4, 2606:4700:3032::ac43:9c40

✓	WWW Record	www.application.properties resolves to: 172.67.156.64, 104.21.64.228, 2606:4700:3031::6815:40e4, 2606:4700:3032::ac43:9c40
ℹ	WWW vs Apex IP	www.application.properties and application.properties resolve to different IP addresses. This is normal if they are intentionally served differently.

● 🔒 DNSSEC

INFO

Enabled

No

Chain of Trust

Level	DS	DNSKEY	RRSIG	Status
.	—	✓	✓	PASS
properties	✓	✓	✓	PASS
application.properties	—	—	—	INFO

ℹ

DNSSEC Status

DNSSEC is not enabled for application.properties. No DS or DNSKEY records found.

● 🛡️ Email Security

WARNING

SPF (Sender Policy Framework)

Record	v=spf1 include:icloud.com ~all
All Mechanism	~all
DNS Lookups	1 / 10 max

DMARC (Domain-based Message Authentication)

No DMARC record found. Consider adding a DMARC policy to protect against email spoofing.

CAA (Certificate Authority Authorization)

No CAA records found. Any certificate authority can issue SSL certificates for this domain.

✓	SPF Record	SPF record found. v=spf1 include:icloud.com ~all
ℹ	SPF All Mechanism	SPF record uses '~all' (softfail). Non-listed senders will be marked but not rejected. Consider '-all' for strict enforcement.
✓	SPF DNS Lookup Count	SPF record uses approximately 1 DNS lookups (limit is 10).
⚠	DMARC Record	No DMARC record found at _dmarc.[domain]. DMARC helps prevent email spoofing and phishing.
ℹ	CAA Records	No CAA records found for application.properties. CAA records specify which certificate authorities may issue SSL/TLS certificates for this domain.

● 📡 DNS Propagation

PASS

Status	Resolver	Location	Result	Latency
✓	Comodo Secure (8.26.56.26)	US (Comodo)	172.67.156.64, 104.21.64.228	26ms
✓	Quad9 (9.9.9.9)	US (Quad9)	172.67.156.64, 104.21.64.228	28ms
✓	Google Public DNS 2 (8.8.4.4)	US (Google)	104.21.64.228, 172.67.156.64	34ms
✓	OpenDNS 2 (208.67.220.220)	US (OpenDNS)	172.67.156.64, 104.21.64.228	24ms
✓	Verisign (64.6.64.6)	US (Verisign)	104.21.64.228, 172.67.156.64	21ms
✓	OpenDNS (208.67.222.222)	US (OpenDNS)	172.67.156.64, 104.21.64.228	47ms
✓	Google Public DNS (8.8.8.8)	US (Google)	104.21.64.228, 172.67.156.64	25ms
✓	Cloudflare 2 (1.0.0.1)	US (Cloudflare)	104.21.64.228, 172.67.156.64	169ms
✓	Cloudflare (1.1.1.1)	US (Cloudflare)	104.21.64.228, 172.67.156.64	170ms
✓	Yandex.DNS (77.88.8.8)	RU (Yandex)	104.21.64.228, 172.67.156.64	219ms

● 🔄 Reverse DNS (PTR)

INFO

IP Address	PTR Record	Forward Match
17.57.152.5	mx02.mail.icloud.com, smtp1.ic4-privaterelay.appleid.com, ic4-privaterelay.appleid.com, mx01.mail.icloud.com	✓ Match
17.42.251.62	mx3.mail.icloud.com, mx02.mail.icloud.com, mx01.mail.icloud.com	✓ Match
17.56.9.31	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.57.156.30	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.57.155.25	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.57.154.33	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.42.251.62	mx02.mail.icloud.com, mx01.mail.icloud.com, mx3.mail.icloud.com	✓ Match
17.57.155.25	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.56.9.31	mx02.mail.icloud.com, mx01.mail.icloud.com	✓ Match
17.57.156.30	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match
17.57.152.5	ic4-privaterelay.appleid.com, mx02.mail.icloud.com, smtp1.ic4-privaterelay.appleid.com, mx01.mail.icloud.com	✓ Match
17.57.154.33	mx01.mail.icloud.com, mx02.mail.icloud.com	✓ Match

application.properties — DNS Report

● 📋 Domain Registration

● 🌐 DNS Records

SOA Records (1)

NS Records (2)

A Records (2)

AAAA Records (2)

MX Records (2)

TXT Records (2)

● 🔗 Parent Nameservers

● 🖥️ Authoritative Nameservers

● 📄 SOA Record

● 📧 Mail Servers (MX)

● 🌍 WWW / Web

● 🔒 DNSSEC

Chain of Trust

● 🛡️ Email Security

SPF (Sender Policy Framework)

DMARC (Domain-based Message Authentication)

CAA (Certificate Authority Authorization)

● 📡 DNS Propagation

● 🔄 Reverse DNS (PTR)