silurian.dk

📜 Historical scan 2026-06-26 21:41:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silurian.dk is a .dk domain served by 2 nameservers (beth.ns.cloudflare.com, bjorn.ns.cloudflare.com). It was registered on 2 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.33 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by server400.silurian.eu. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 218ms

Nameserver	IP addresses	PTR	ASN / ISP
beth.ns.cloudflare.com	108.162.192.103 172.64.32.103 173.245.58.103 2606:4700:50::adf5:3a67 2803:f800:50::6ca2:c067 2a06:98c1:50::ac40:2067	beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bjorn.ns.cloudflare.com	108.162.195.98 162.159.44.98 172.64.35.98 2606:4700:58::a29f:2c62 2803:f800:50::6ca2:c362 2a06:98c1:50::ac40:2362	bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 247ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.33	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.156.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 249ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	server400.silurian.eu	51.254.109.174	server400.silurian.eu	AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records 266ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:821	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9cbd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 246ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.33,172.67.156.189 ech=AEX+DQBBFAAgACDWoAgAOkKZTQouulORkrky2Tii4iKo/FCi9RNuOe/BQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:821,2606:4700:3033::ac43:9cbd

📝 TXT Records#

2 records 502ms

TXT Record
google-site-verification=nqTkCKnfQAWczTYdKirvQPSe3rxxIqvofUiIc6KsqTM
v=spf1 include:silurian.email -all

✉️ SPF#

Policy	Record (silurian.dk)
-all (hard fail)	v=spf1 include:silurian.email -all

📨 DMARC#

Policy	Record (_dmarc.silurian.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 16:10:31

www	104.21.8.33 172.67.156.189 2606:4700:3032::6815:821 2606:4700:3033::ac43:9cbd (AS13335) (address records, no CNAME)
www vs bare domain	Same network silurian.dk: 104.21.8.33 172.67.156.189 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.silurian.dk: 104.21.8.33 172.67.156.189 2606:4700:3032::6815:821 2606:4700:3033::ac43:9cbd (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

450ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

211ms

Field	Value
Serial	2407080644
Primary NS (MNAME)	beth.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 16:39:06

Field	Value
Registrar	NETIM
Registered	2018-07-02
Expires	2027-07-31 (281d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

218ms

247ms

249ms

AAAA

266ms

TXT

502ms

CAA

211ms

HTTPS

246ms

TLSA

296ms

SOA

211ms

MTA-STS

227ms

DNSSEC

450ms

SRV

253ms

Total

2283ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 16:10:31	548ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 19:15:50	936ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 02:10:06	9580ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 06:07:04	1915ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 13:45:40	2100ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 23:00:47	1186ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 04:15:24	1666ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 12:29:08	1210ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-11 18:31:39	2334ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 21:41:37 shown	2283ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 08:52:12	922ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-23 18:06:32	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:54:52	811ms	2 NS 2 A 1 MX	🔒 Secure