skrog.dk

📜 Historical scan 2026-07-03 13:04:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skrog.dk is a .dk domain served by 2 nameservers (april.ns.cloudflare.com, bayan.ns.cloudflare.com). It was registered on 4 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.58 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bayan.ns.cloudflare.com	108.162.193.72 172.64.33.72 173.245.59.72 2606:4700:58::adf5:3b48 2803:f800:50::6ca2:c148 2a06:98c1:50::ac40:2148	bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.58	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.207	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 64.233.164.26	lh-in-f27.1e100.net lh-in-x1b.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.82.58
🔶 Autoconfig	104.21.82.58

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:523a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:99cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.58,172.67.153.207 ech=AEX+DQBBYwAgACA2MjktE1ABoLt9dNhSxfLHQG7PyLjrVroKjjWujsKeRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:523a,2606:4700:3033::ac43:99cf

📝 TXT Records#

2 records 201ms

TXT Record
In case of abuse contact abuse at skrog.dk
v=spf1 include:_spf.google.com a:router.skrog.dk -all

✉️ SPF#

Policy	Record (skrog.dk)
-all (hard fail)	v=spf1 include:_spf.google.com a:router.skrog.dk -all

📨 DMARC#

Policy	Record (_dmarc.skrog.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:80c145a0e61740c9915bf61d37b24a19@dmarc-reports.cloudflare.net,mailto:syhlkwhb@ag.eu.dmarcadvisor.com; ruf=mailto:syhlkwhb@fr.eu.dmarcadvisor.com; 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#

10 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 02:43:20

www CNAME	ghs.googlehosted.com (all on googlehosted.com) → 142.251.13.121 2a00:1450:4001:c13::79 (AS15169)
www vs bare domain	Different networks skrog.dk: 104.21.82.58 172.67.153.207 2606:4700:3035::6815:523a 2606:4700:3037::ac43:99cf (AS13335) www.skrog.dk: 142.251.13.121 2a00:1450:4001:c13::79 (AS15169) (all like this)
Wildcard	Yes: any name under the zone resolves
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
google	—	RSA · ~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#

9069ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2408511358
Primary NS (MNAME)	april.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 02:52:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-07-04
Expires	2035-09-30 (3264d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
kewin.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

40ms

AAAA

39ms

TXT

201ms

CAA

40ms

HTTPS

36ms

TLSA

196ms

SOA

0ms

MTA-STS

49ms

DNSSEC

9069ms

SRV

60ms

Total

10222ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 02:43:19	4761ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-09 16:17:33	1098ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-08 16:02:38	6436ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-07 15:55:42	3298ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-05 14:06:09	4888ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-01 13:11:46	1092ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-21 18:24:48	1079ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-18 17:08:25	1588ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-15 20:37:51	2091ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-11 15:37:48	1992ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-04 10:42:42	3729ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-26 15:25:30	911ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-22 20:49:29	5701ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-16 12:10:09	6281ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-08 16:33:20	10179ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-03 17:51:54	1721ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-30 22:23:26	9531ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-23 02:00:44	17855ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-17 19:25:21	1928ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-14 07:32:05	9667ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-09 19:09:30	1822ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-06 13:35:49	4422ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-03 13:04:54 shown	10222ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-26 00:36:38	987ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-22 20:29:38	4001ms	2 NS 2 A 5 MX	🔒 Secure