yah.dk

📜 Historical scan 2026-10-04 09:05:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yah.dk is a .dk domain served by 2 nameservers (achiel.ns.cloudflare.com, clara.ns.cloudflare.com). It was registered on 8 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.249 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.yah.dk. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
achiel.ns.cloudflare.com	108.162.195.123 162.159.44.123 172.64.35.123 2606:4700:58::a29f:2c7b 2803:f800:50::6ca2:c37b 2a06:98c1:50::ac40:237b	achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com achiel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
clara.ns.cloudflare.com	108.162.194.219 162.159.38.219 172.64.34.219 2606:4700:50::a29f:26db 2803:f800:50::6ca2:c2db 2a06:98c1:50::ac40:22db	clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.249	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.43	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mail.yah.dk	193.234.88.70	mail.gitc.cloud	AS201061 GITC ApS

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:d92b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5df9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.249,172.67.217.43 ech=AEX+DQBB2QAgACBrJiCgxDw8r2GE4KQ+nN0h6dUo+z/ATq8Dp/3ry9HFNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:d92b,2606:4700:3037::6815:5df9

📝 TXT Records#

4 records 253ms

TXT Record
brevo-code:f88ff5ea73edfaa829de411152ed46a1
google-site-verification=I7ExDWFXHMRqMOZTLO8JLVx1e23QHlmRbpu8cLB_yho
google-site-verification=kWLj4Fj7HvnLtkR3U4HGGDPpO5b_fs97UYhtYeDuaSI
v=spf1 a mx ip4:193.234.88.70 ip6:2a12:bec0:e03:0:d291:fff:fe71:bca8 ~all

✉️ SPF#

Policy	Record (yah.dk)
~all (soft fail)	v=spf1 a mx ip4:193.234.88.70 ip6:2a12:bec0:e03:0:d291:fff:fe71:bca8 ~all

📨 DMARC#

Policy	Record (_dmarc.yah.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-records@yah.dk

📬 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 2026-10-08 10:52:19

www	104.21.93.249 172.67.217.43 2606:4700:3035::ac43:d92b 2606:4700:3037::6815:5df9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network yah.dk: 104.21.93.249 172.67.217.43 2606:4700:3035::ac43:d92b 2606:4700:3037::6815:5df9 (AS13335) www.yah.dk: 104.21.93.249 172.67.217.43 2606:4700:3035::ac43:d92b 2606:4700:3037::6815:5df9 (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2416497753
Primary NS (MNAME)	achiel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 22:59:28

Field	Value
Registrar	GITC aps
Registered	2010-02-08
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

33ms

30ms

AAAA

29ms

TXT

253ms

CAA

48ms

HTTPS

41ms

TLSA

109ms

SOA

46ms

MTA-STS

69ms

DNSSEC

52ms

SRV

77ms

Total

689ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 10:52:19	739ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 09:05:09 shown	689ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 08:59:24	740ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:45:26	528ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 09:35:36	636ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 07:39:04	1367ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 07:07:51	661ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-07 22:47:43	622ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-07 07:32:01	1057ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 13:24:44	10212ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 18:28:02	1478ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 18:57:40	1474ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 10:48:03	958ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 15:59:28	9782ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 00:15:26	963ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 00:41:38	838ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 03:13:36	981ms	2 NS 2 A 1 MX	🔓 Insecure