fbnielsen.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	108.162.193.151 172.64.33.151 173.245.59.151 2606:4700:58::adf5:3b97 2803:f800:50::6ca2:c197 2a06:98c1:50::ac40:2197	darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
heather.ns.cloudflare.com	108.162.192.161 172.64.32.161 173.245.58.161 2606:4700:50::adf5:3aa1 2803:f800:50::6ca2:c0a1 2a06:98c1:50::ac40:20a1	heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.178.25	300s	212-237-178-25.static.kviknet.net	AS204151	EWII Bredbaand A/S	212.237.176.0/21	🇩🇰 Denmark	Ølstykke

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.tutanota.de	185.205.69.211 185.205.69.213 185.205.69.214	mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de	AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 165ms

TXT Record
v=spf1 ip4:212.237.178.25 include:pm1.fbnielsen.dk include:spf.tutanota.de -all

✉️ SPF

Policy	Record (fbnielsen.dk)
-all (hard fail)	v=spf1 ip4:212.237.178.25 include:pm1.fbnielsen.dk include:spf.tutanota.de -all

📨 DMARC

Policy	Record (_dmarc.fbnielsen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:fbnielsen1959@gmail.com;

📬 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 / DANE1 records 469ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.tutanota.de	DANE-EE · Full cert · SHA-256	D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC114ms

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

🏷️ SOA0ms

Field	Value
Serial	2413503319
Primary NS (MNAME)	darwin.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

32ms

A

35ms

MX

30ms

AAAA

28ms

TXT

165ms

CAA

26ms

HTTPS

29ms

TLSA

469ms

SOA

0ms

MTA-STS

47ms

DNSSEC

114ms

SRV

51ms

Total

988ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 02:25:49	988ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 10:38:09	1067ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 04:07:06	1460ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 03:31:18	1754ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 22:20:06	1067ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 04:11:41	1088ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 14:25:32	10560ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 20:43:37	17582ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 20:04:00	1201ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 00:20:44	1285ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 12:50:03	1230ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 14:11:33	1000ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 09:32:35	1776ms	2 NS 1 A 1 MX	🔓 Insecure	View