sailserver.dk

📜 Historical scan 2026-07-02 08:56:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sailserver.dk is a .dk domain served by 2 nameservers (dante.ns.cloudflare.com, martha.ns.cloudflare.com). It was registered on 11 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.136 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
dante.ns.cloudflare.com	108.162.195.10 162.159.44.10 172.64.35.10 2606:4700:58::a29f:2c0a 2803:f800:50::6ca2:c30a 2a06:98c1:50::ac40:230a	dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martha.ns.cloudflare.com	108.162.194.142 162.159.38.142 172.64.34.142 2606:4700:50::a29f:268e 2803:f800:50::6ca2:c28e 2a06:98c1:50::ac40:228e	martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.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 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9889	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:c88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.136,172.67.152.137 ech=AEX+DQBBJwAgACAYdt52rWH8X76uY1Gv65F7rfpsjfthTXAYi1XjHa3gEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9889,2606:4700:3037::6815:c88

📝 TXT Records#

2 records 200ms

TXT Record
google-site-verification=ryuOeLm5GiZeEO6yJzl6aydfBXU_DtshNWDkXox_UWE
v=spf1 -all

✉️ SPF#

Policy	Record (sailserver.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.sailserver.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-09 14:47:02

www	104.21.12.136 172.67.152.137 2606:4700:3030::ac43:9889 2606:4700:3037::6815:c88 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sailserver.dk: 104.21.12.136 172.67.152.137 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.sailserver.dk: 104.21.12.136 172.67.152.137 2606:4700:3030::ac43:9889 2606:4700:3037::6815:c88 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

58ms

Field	Value
Serial	2406530547
Primary NS (MNAME)	dante.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 03:20:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-12-11
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

75ms

56ms

AAAA

39ms

TXT

200ms

CAA

43ms

HTTPS

38ms

TLSA

50ms

SOA

58ms

MTA-STS

77ms

DNSSEC

72ms

SRV

63ms

Total

1466ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:47:02	443ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 02:56:06	1469ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 00:29:16	537ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 23:51:37	1981ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 23:36:35	606ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 22:47:55	649ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 09:19:44	601ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 20:41:23	2519ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 22:26:30	1036ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 04:23:31	723ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 08:56:05 shown	1466ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 23:46:19	1188ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:57:53	913ms	2 NS 2 A 0 MX	🔓 Insecure