nefstrøm.dk DNS records

🖥️ Nameservers2 records 44ms

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 Records2 records 43ms

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 Records4 records 44ms

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 63ms

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 Records1 records 70ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.238,172.67.140.49 ech=AEX+DQBBYgAgACCzY//CpT4mrzWsEGlRmUmiWbgF0nGLpdAcgMb1vUAGXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🔗 TLSA / DANE4 records 88ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2412874682
Primary NS (MNAME)	fattouche.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

43ms

MX

44ms

AAAA

63ms

TXT

198ms

CAA

43ms

HTTPS

70ms

TLSA

88ms

SOA

0ms

MTA-STS

65ms

DNSSEC

86ms

SRV

70ms

Total

819ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:34:45	819ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-23 09:03:14	1300ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-09 16:05:46	1401ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-28 09:10:39	1049ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-24 14:22:42	1139ms	2 NS 2 A 4 MX	❓ Unknown	View
2026-06-20 02:50:41	597ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-06-19 06:39:45	381ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-18 03:16:02	1161ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-06-18 02:52:16	890ms	2 NS 2 A 4 MX	🔒 Secure	View