dmarc.dk

📜 Historical scan 2026-09-30 12:07:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dmarc.dk is a .dk domain served by 2 nameservers (serena.ns.cloudflare.com, tom.ns.cloudflare.com). It was registered on 5 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.6 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tom.ns.cloudflare.com	108.162.193.147 172.64.33.147 173.245.59.147 2606:4700:58::adf5:3b93 2803:f800:50::6ca2:c193 2a06:98c1:50::ac40:2193	tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.24	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	43200s	mx02.mail.icloud.com	17.156.200.28 17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.155.25 17.57.156.30	— mx01.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:1a06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8718	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.6,172.67.135.24 ech=AEX+DQBBgQAgACCRKpEw7Dan0Hdrwr7Y6aWdIRl8VviRfpMXwj+ia1lpJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1a06,2606:4700:3037::ac43:8718

📝 TXT Records#

3 records 185ms

TXT Record
apple-domain=ofQX5d2STHkCQgPV
openpgp4fpr:44801601ec7b9ae9ff29ae006ae7765f0ce86676
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (dmarc.dk)
~all (soft fail)	v=spf1 include:icloud.com ~all

📨 DMARC#

Policy	Record (_dmarc.dmarc.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:44e91c4f48cf4bfa8dc128946ec9bdbe@dmarc-reports.cloudflare.net,mailto:sh0izc5x@ag.dmarcian.com;

📬 MTA-STS#

270ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	2024032401
max_age	172800s
Policy MX	mx01.mail.icloud.com, mx02.mail.icloud.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@apxhe1k9.uriports.com

📜 CAA Records#

13 records 51ms

Flags	Tag	Value
0	iodef	mailto:henrik@schack.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	globalsign.com
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 08:44:47

www	104.21.26.6 172.67.135.24 2606:4700:3037::6815:1a06 2606:4700:3037::ac43:8718 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dmarc.dk: 104.21.26.6 172.67.135.24 2606:4700:3037::6815:1a06 2606:4700:3037::ac43:8718 (AS13335) www.dmarc.dk: 104.21.26.6 172.67.135.24 2606:4700:3037::6815:1a06 2606:4700:3037::ac43:8718 (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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

48ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2416222800
Primary NS (MNAME)	serena.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 05:46:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-06-05
Expires	2034-06-30 (2810d)

🔗 Same registrant#

2 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).

Domain	Registrar
joke.dk	Punktum dk A/S (direct)
schack.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

40ms

38ms

AAAA

52ms

TXT

185ms

CAA

51ms

HTTPS

33ms

TLSA

74ms

SOA

44ms

MTA-STS

270ms

DNSSEC

48ms

SRV

70ms

Total

690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 08:44:47	2246ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-02 12:43:24	758ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 12:07:16 shown	690ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-20 16:14:00	1479ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-08 06:00:46	1952ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-30 07:59:23	2244ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 23:13:05	1981ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 16:43:00	1497ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-03 18:27:26	2259ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-23 11:14:30	2321ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-18 06:14:26	1819ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-11 12:38:28	1632ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-10 01:24:34	1708ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-08 14:40:22	10535ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 09:40:15	1258ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-26 09:21:55	1146ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 03:55:12	3299ms	2 NS 2 A 2 MX	🔒 Secure