nefstrøm.dk xn--nefstrm-v1a.dk

📜 Historical scan 2026-06-20 02:50:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nefstrøm.dk is a .dk domain served by 2 nameservers (fattouche.ns.cloudflare.com, kayleigh.ns.cloudflare.com). It was registered on 9 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.238 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
fattouche.ns.cloudflare.com	108.162.195.48 162.159.44.48 172.64.35.48 2606:4700:58::a29f:2c30 2803:f800:50::6ca2:c330 2a06:98c1:50::ac40:2330	fattouche.ns.cloudflare.com fattouche.ns.cloudflare.com fattouche.ns.cloudflare.com fattouche.ns.cloudflare.com fattouche.ns.cloudflare.com fattouche.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kayleigh.ns.cloudflare.com	108.162.194.92 162.159.38.92 172.64.34.92 2606:4700:50::a29f:265c 2803:f800:50::6ca2:c25c 2a06:98c1:50::ac40:225c	kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.49	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:8c31	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:28ee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 61ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.238,172.67.140.49 ech=AEX+DQBBKgAgACDIjZZ8c5lFDU5IzMo0uf5xMkpIjtshrETGixZHNSoUaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8c31,2606:4700:3034::6815:28ee

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.nefstrøm.dk)
p=reject	v=DMARC1;p=reject

📬 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 2026-10-21 18:57:44

www	104.21.40.238 172.67.140.49 2606:4700:3031::ac43:8c31 2606:4700:3034::6815:28ee (AS13335) (address records, no CNAME)
www vs bare domain	Same network nefstrøm.dk: 104.21.40.238 172.67.140.49 2606:4700:3031::ac43:8c31 2606:4700:3034::6815:28ee (AS13335) www.nefstrøm.dk: 104.21.40.238 172.67.140.49 2606:4700:3031::ac43:8c31 2606:4700:3034::6815:28ee (AS13335)
Wildcard	No

🔗 TLSA / DANE#

4 records 77ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

57ms

Field	Value
Serial	2406293425
Primary NS (MNAME)	fattouche.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 10:10:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-11-09
Expires	2026-11-30 (36d)

🔗 Same registrant#

14 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
din-montoer.dk	Punktum dk A/S (direct)
el-business.dk	Punktum dk A/S (direct)
el-cirkus.dk	Punktum dk A/S (direct)
energilog.dk	Punktum dk A/S (direct)
fibertilalle.dk	Punktum dk A/S (direct)
fondendinmontør.dk	Punktum dk A/S (direct)
ideelle.dk	Punktum dk A/S (direct)
nef-koncernen.dk	Punktum dk A/S (direct)
nef.dk	Punktum dk A/S (direct)
neffiber.dk	Punktum dk A/S (direct)
nefnet.dk	Punktum dk A/S (direct)
nefstroem.dk	Punktum dk A/S (direct)
ravdex.dk	Punktum dk A/S (direct)
stromtilalle.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

45ms

57ms

AAAA

48ms

TXT

166ms

CAA

62ms

HTTPS

61ms

TLSA

77ms

SOA

57ms

MTA-STS

75ms

DNSSEC

113ms

SRV

114ms

Total

597ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 18:57:44	649ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 22:00:07	1106ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-29 21:52:00	679ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-27 07:39:39	668ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-15 19:55:57	1410ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 08:34:45	819ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-23 09:03:14	1300ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-09 16:05:46	1401ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-28 09:10:39	1049ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-24 14:22:42	1139ms	2 NS 2 A 4 MX	❓ Unknown
2026-06-20 02:50:41 shown	597ms	2 NS 2 A 4 MX	🔒 Secure
2026-06-19 06:39:45	381ms	0 NS 0 A 0 MX	🔒 Secure
2026-06-18 03:16:02	1161ms	2 NS 2 A 4 MX	🔒 Secure
2026-06-18 02:52:16	890ms	2 NS 2 A 4 MX	🔒 Secure