asiabio.link — DNS Report

Scan ID: asiabio.link-1786324570412316884 Scanned: Aug 10, 2026

B 86%

Rescan

39 Pass

3 Warnings

0 Failures

2 Info

44 Total

Processed in 1s

● 📋 Domain Registration

PASS

Registrar	NameSilo, LLC
Registrar ID	1479
Registry ID	DO_58740e870bd813ab80a23f78a934d7f3-UR
Created	Jul 25, 2023
Updated	May 27, 2025
Expires	Jul 25, 2027 (349 days left)
DNSSEC	✓ Signed
Status	client transfer prohibited
RDAP Nameservers	magdalena.ns.cloudflare.com major.ns.cloudflare.com

● 🌐 DNS Records

PASS

SOA Records (1)

Name	Value	TTL
asiabio.link	magdalena.ns.cloudflare.com dns.cloudflare.com 2411333445 10000 2400 604800 1800	1800

NS Records (2)

Name	Value	TTL
asiabio.link	magdalena.ns.cloudflare.com	86400
asiabio.link	major.ns.cloudflare.com	86400

A Records (1)

Name	Value	TTL
asiabio.link	103.191.50.46	60

MX Records (1)

Name	Value	TTL
asiabio.link	my.asiabio.link	3600

TXT Records (3)

Name	Value	TTL
asiabio.link	google-site-verification=6Qp8_2XO8kZNQhjxDMtqph4Yfo_fhgfEX2vBCUMi8P0	120
asiabio.link	google-site-verification=rp4-HEOhZ5AlmAlCHmeiD57ERSh-7rvgQwO4XIZpa2A	120
asiabio.link	v=spf1 mx -all	120

DNSKEY Records (2)

Name	Value	TTL
asiabio.link	Flags=257 Protocol=3 Alg=13 KeyTag=2371	3600
asiabio.link	Flags=256 Protocol=3 Alg=13 KeyTag=34505	3600

● 🔗 Parent Nameservers

PASS

Nameserver	IPv4	IPv6	Glue
major.ns.cloudflare.com	108.162.193.241, 173.245.59.241, 172.64.33.241	2803:f800:50::6ca2:c1f1, 2a06:98c1:50::ac40:21f1, 2606:4700:58::adf5:3bf1	No
magdalena.ns.cloudflare.com	172.64.34.8, 108.162.194.8, 162.159.38.8	2606:4700:50::a29f:2608, 2a06:98c1:50::ac40:2208, 2803:f800:50::6ca2:c208	No

✓	Nameservers Listed at Parent	The parent TLD nameserver has 2 nameserver(s) listed for asiabio.link. major.ns.cloudflare.com magdalena.ns.cloudflare.com
✓	Minimum Nameserver Count	2 nameservers found. Good redundancy.
✓	Public IP: major.ns.cloudflare.com	Nameserver major.ns.cloudflare.com has a public IP address.
✓	Public IP: magdalena.ns.cloudflare.com	Nameserver magdalena.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

WARNING

Nameserver	UDP	TCP	Auth	Recursion	IPv6	Latency
magdalena.ns.cloudflare.com	✓	✓	✓	Open	✓	12ms
major.ns.cloudflare.com	✓	✓	✓	Closed	✓	11ms

✓	Authoritative Nameservers Found	Found 2 authoritative nameserver(s): magdalena.ns.cloudflare.com, major.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	One or more nameservers appear to answer recursive queries. Authoritative nameservers should not be open resolvers.
✓	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)	magdalena.ns.cloudflare.com
Email (RNAME)	dns.cloudflare.com
Serial	2411333445
Refresh	10000 (2h 46m)
Retry	2400 (40 min)
Expire	604800 (7 days)
Minimum TTL	1800 (30 min)

✓	SOA Record Exists	SOA record found for asiabio.link.
✓	SOA MNAME	SOA MNAME (magdalena.ns.cloudflare.com) is listed as an authoritative nameserver.
✓	SOA RNAME	SOA contact email: dns@cloudflare.com
ℹ	SOA Serial Format	SOA serial is 2411333445. 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
0	my.asiabio.link	103.47.227.224	-	my.asiabio.link

✓	MX Records Exist	Found 1 MX record(s) for asiabio.link.
⚠	MX Redundancy	Only one MX record found. A single mail server is a single point of failure. Consider adding a backup MX.
✓	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

PASS

Target	Type	IPs
www.asiabio.link	A	103.191.50.46

✓	WWW Record	www.asiabio.link resolves to: 103.191.50.46
✓	WWW vs Apex IP	www.asiabio.link and asiabio.link resolve to the same IP address(es).

● 🔒 DNSSEC

PASS

Enabled	Yes
DS Records	KeyTag=2371 Alg=13 DigestType=2 Digest=897606703C042D026F08BCD5EDAA8EC598981F29C0EF2A30AE21A5F74996A81D
DNSKEY	KeyTag=34505 Alg=ECDSAP256SHA256 Flags=256, KeyTag=2371 Alg=ECDSAP256SHA256 Flags=257
Algorithms	ECDSAP256SHA256, ECDSAP256SHA256

Chain of Trust

Level	DS	DNSKEY	RRSIG	Status
.	—	✓	✓	PASS
link	✓	✓	✓	PASS
asiabio.link	✓	✓	✓	PASS

✓	DNSSEC Enabled	DNSSEC appears to be enabled for asiabio.link.
✓	DS Record	DS record(s) found at the parent zone. The delegation is signed. KeyTag=2371 Alg=13 DigestType=2 Digest=897606703C042D026F08BCD5EDAA8EC598981F29C0EF2A30AE21A5F74996A81D
✓	DNSKEY Record	DNSKEY record(s) found in the zone. KeyTag=34505 Alg=ECDSAP256SHA256 Flags=256 KeyTag=2371 Alg=ECDSAP256SHA256 Flags=257
✓	DNSSEC Algorithm	Algorithm ECDSAP256SHA256 is in use. This is a strong algorithm.
✓	DNSSEC Algorithm	Algorithm ECDSAP256SHA256 is in use. This is a strong algorithm.
✓	RRSIG Records	RRSIG (signature) records found. Zone records are signed. TypeCovered=DNSKEY Alg=13 KeyTag=2371 Signer=asiabio.link TypeCovered=SOA Alg=13 KeyTag=34505 Signer=asiabio.link TypeCovered=NS Alg=13 KeyTag=34505 Signer=asiabio.link
✓	DNSSEC Chain	Chain of trust: ✓ . → ✓ link → ✓ asiabio.link

● 🛡️ Email Security

WARNING

SPF (Sender Policy Framework)

Record	v=spf1 mx -all
All Mechanism	-all
DNS Lookups	1 / 10 max

DMARC (Domain-based Message Authentication)

Record	v=DMARC1; p=none; sp=none; aspf=r; adkim=s; pct=100; rua=mailto:c9e6d7a1bff340eb98d06212fa232e07@dmarc-reports.cloudflare.net; ruf=mailto:info@asiabio.link; fo=0:1:d:s; rf=afrf; ri=86400;
Policy (p=)	none
Subdomain Policy (sp=)	none
Percentage (pct=)	100%
Aggregate Reports (rua)	mailto:c9e6d7a1bff340eb98d06212fa232e07@dmarc-reports.cloudflare.net
Forensic Reports (ruf)	mailto:info@asiabio.link

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 mx -all
✓	SPF All Mechanism	SPF record uses '-all' (fail). Non-listed senders will be rejected. Good.
✓	SPF DNS Lookup Count	SPF record uses approximately 1 DNS lookups (limit is 10).
✓	DMARC Record	DMARC record found. v=DMARC1; p=none; sp=none; aspf=r; adkim=s; pct=100; rua=mailto:c9e6d7a1bff340eb98d06212fa232e07@dmarc-reports.cloudflare.net; ruf=mailto:info@asiabio.link; fo=0:1:d:s; rf=afrf; ri=86400;
⚠	DMARC Policy	DMARC policy is 'none' (monitoring only). Emails failing DMARC will not be rejected or quarantined. Consider upgrading to 'quarantine' or 'reject'.
✓	DMARC Reporting (rua)	Aggregate reports (rua) will be sent to: mailto:c9e6d7a1bff340eb98d06212fa232e07@dmarc-reports.cloudflare.net
ℹ	CAA Records	No CAA records found for asiabio.link. CAA records specify which certificate authorities may issue SSL/TLS certificates for this domain.

● 📡 DNS Propagation

PASS

Status	Resolver	Location	Result	Latency
✓	Cloudflare 2 (1.0.0.1)	US (Cloudflare)	103.191.50.46	16ms
✓	Cloudflare (1.1.1.1)	US (Cloudflare)	103.191.50.46	17ms
✓	Google Public DNS 2 (8.8.4.4)	US (Google)	103.191.50.46	30ms
✓	Comodo Secure (8.26.56.26)	US (Comodo)	103.191.50.46	32ms
✓	Quad9 (9.9.9.9)	US (Quad9)	103.191.50.46	32ms
✓	OpenDNS 2 (208.67.220.220)	US (OpenDNS)	103.191.50.46	29ms
✓	Google Public DNS (8.8.8.8)	US (Google)	103.191.50.46	26ms
✓	Verisign (64.6.64.6)	US (Verisign)	103.191.50.46	31ms
✓	OpenDNS (208.67.222.222)	US (OpenDNS)	103.191.50.46	87ms
✓	Yandex.DNS (77.88.8.8)	RU (Yandex)	103.191.50.46	234ms

● 🔄 Reverse DNS (PTR)

INFO

IP Address	PTR Record	Forward Match
103.47.227.224	my.asiabio.link	✓ Match