skrog.dk

📜 Historical scan 2026-10-08 16:02:38 · ← 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 314ms

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 279ms

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 222ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.179.20.27 2404:6800:4000:1027::1b	ncboms-in-f27.1e100.net ncboms-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.82.58
🔶 Autoconfig	104.21.82.58

🔷 AAAA Records (IPv6)#

2 records 219ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:523a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:99cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 302ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.58,172.67.153.207 ech=AEX+DQBBEAAgACAgZuF7RB3K25x3aEq9V8I4d46VUZ4Br2zt0/LTxBmkdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:523a,2606:4700:3037::ac43:99cf

📝 TXT Records#

2 records 858ms

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; 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#

11 records 265ms

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	sectigo.com
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#

430ms

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

🏷️ SOA#

110ms

Field	Value
Serial	2416942438
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#

314ms

279ms

222ms

AAAA

219ms

TXT

858ms

CAA

265ms

HTTPS

302ms

TLSA

574ms

SOA

110ms

MTA-STS

407ms

DNSSEC

430ms

SRV

374ms

Total

6436ms

🕐 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 shown	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	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