peternielsen.dk

📜 Historical scan 2026-10-18 17:15:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

peternielsen.dk is a .dk domain served by 2 nameservers (clara.ns.cloudflare.com, kevin.ns.cloudflare.com). It was registered on 23 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.72 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 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
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.
kevin.ns.cloudflare.com	108.162.193.191 172.64.33.191 173.245.59.191 2606:4700:58::adf5:3bbf 2803:f800:50::6ca2:c1bf 2a06:98c1:50::ac40:21bf	kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.ns.cloudflare.com kevin.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
104.21.84.72	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b	lt-in-f26.1e100.net lo-in-f27.1e100.net lo-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	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	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:bbcd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5448	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.72,172.67.187.205 ech=AEX+DQBB7wAgACDLfZGKbjsMEnShuOqdzYPhwU6mSn9wzcQZPJ0AvtUlXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bbcd,2606:4700:3034::6815:5448

📝 TXT Records#

4 records 185ms

TXT Record
google-site-verification=eeMXrw1Ko1phhCvq4I2ktJDzsxn71j8HGYMTgyrY8LU
google-site-verification=lR5-JdECPMAnOnuek1WqG1Dg6f66SdgCqlNmiTH6NLg
google-site-verification=ZlMtm2NcN-L6ZfgprnRdVx3y4sW_bvP4gJGopt8HKtc
v=spf1 include:spf.mailjet.com ip4:62.171.177.231 ip4:88.99.104.26 ip4:148.251.10.203 include:_spf.google.com a ~all

✉️ SPF#

Policy	Record (peternielsen.dk)
~all (soft fail)	v=spf1 include:spf.mailjet.com ip4:62.171.177.231 ip4:88.99.104.26 ip4:148.251.10.203 include:_spf.google.com a ~all

📨 DMARC#

Policy	Record (_dmarc.peternielsen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@n4uecdqr.uriports.com; adkim=s; aspf=r

📬 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 2026-10-19 18:40:50

www	104.21.84.72 172.67.187.205 2606:4700:3031::ac43:bbcd 2606:4700:3034::6815:5448 (AS13335) (address records, no CNAME)
www vs bare domain	Same network peternielsen.dk: 104.21.84.72 172.67.187.205 2606:4700:3031::ac43:bbcd 2606:4700:3034::6815:5448 (AS13335) www.peternielsen.dk: 104.21.84.72 172.67.187.205 2606:4700:3031::ac43:bbcd 2606:4700:3034::6815:5448 (AS13335)
Wildcard	No

✍️ 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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.peternielsen.dk	1QatMxIVKFqliikR1usZbIP-86IRb1GxFmrMV3QqajQ
TXT	_acme-challenge.peternielsen.dk	7zLo4PB5ixduKgL0KhtvnQw_Pxxi0nSzp8vVSVoXCqw
TXT	_acme-challenge.peternielsen.dk	W0vtJcKyVSheGv_X99g5sXccGI-0m0n8Y2fADPY2bSU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2417738595
Primary NS (MNAME)	clara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 17:46:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-23
Expires	2027-06-30 (250d)

🔗 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
murermesterrasmusnielsen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

40ms

43ms

AAAA

41ms

TXT

185ms

CAA

42ms

HTTPS

44ms

TLSA

83ms

SOA

39ms

MTA-STS

58ms

DNSSEC

60ms

SRV

59ms

Total

572ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 18:40:49	3187ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-18 17:15:07 shown	572ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 16:20:14	2810ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-21 07:04:33	883ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-07 18:52:52	4124ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-19 00:55:43	21756ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 23:15:03	2522ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-24 10:12:36	10841ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-30 23:11:13	1324ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 17:32:12	1063ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-24 00:41:33	1003ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 02:16:11	1021ms	2 NS 2 A 5 MX	🔓 Insecure