femern.dk

📜 Historical scan 2026-08-25 00:55:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

femern.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, venus.ns.cloudflare.com). It was registered on 25 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.107.213.53 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by femern-dk.mail.protection.outlook.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 97ms

Nameserver	IP addresses	PTR	ASN / ISP
ed.ns.cloudflare.com	108.162.193.111 172.64.33.111 173.245.59.111 2606:4700:58::adf5:3b6f 2803:f800:50::6ca2:c16f 2a06:98c1:50::ac40:216f	ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venus.ns.cloudflare.com	108.162.192.235 172.64.32.235 173.245.58.235 2606:4700:50::adf5:3aeb 2803:f800:50::6ca2:c0eb 2a06:98c1:50::ac40:20eb	venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.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 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.107.213.53	60s	—	AS8075	Microsoft Corporation	13.107.192.0/19	🇺🇸 United States	—
13.107.246.53	60s	—	AS8075	Microsoft Corporation	13.107.240.0/21	🇺🇸 United States	—

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	femern-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::4 52.101.68.3 52.101.73.153 52.101.73.19 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.253.88

🔷 AAAA Records (IPv6)#

2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:1ec:46::53	43s	—	AS8075	Microsoft Corporation	2620:1ec:46:0:0:0:0:0/47	🇺🇸 United States	—
2620:1ec:bdf::53	43s	—	AS8075	Microsoft Corporation	2620:1ec:b00:0:0:0:0:0/40	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 166ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

8 records 339ms

TXT Record
_globalsign-domain-verification=ASjH1QVH_Iu-CEEuO21uzgcZeUt_aPL57xd7DdJIO-
MS=ms16904007
MS=ms24319618
nitro-verification-code=LTUyMTA3MzQ4MDcxODM2MjM4Mw==
Pb/cH21tt2QJ7gRyKih4kBoAsAy/WYbEyEIMnkU44dk=
pyruwlmeag+Qjoy6e7xTOU4kjKs7Zjh7me/3IJBFnTZfo5+HehjDYbYubpwqdj08QzXh8Ki6OaaaRh+2564woA==
v=spf1 IP4:83.151.146.33 IP4:80.63.10.91 include:spf.protection.outlook.com include:mailmailmail.net include:mail.zendesk.com ip4:80.63.10.91 ip4:80.160.72.216 ip4:80.160.72.217 -all
y+qTq2oKAaiVmyNmA4Gmrg6YuaSysnMrUVgfTW+VrAo/UupfeLLkTZu8tBIhcgV2RlsRdhdYGn4soVCrvMnezQ==

✉️ SPF#

Policy	Record (femern.dk)
-all (hard fail)	v=spf1 IP4:83.151.146.33 IP4:80.63.10.91 include:spf.protection.outlook.com include:mailmailmail.net include:mail.zendesk.com ip4:80.63.10.91 ip4:80.160.72.216 ip4:80.160.72.217 -all

📨 DMARC#

Policy	Record (_dmarc.femern.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:fy79ftzh@ag.eu.dmarcadvisor.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-26 02:03:00

www CNAME	fde-public-con-prod-ggcbccejethxc0g4.a03.azurefd.net (all on azurefd.net) → 150.171.109.193 2603:1061:14:c0::1 (AS8075)
www vs bare domain	Same network femern.dk: 150.171.109.193 2603:1061:14:c1::1 (AS8075) www.femern.dk: 150.171.109.193 2603:1061:14:c0::1 (AS8075)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-femern-dk._domainkey.sundogbaelt.onmicrosoft.com	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.femern.dk	0fgNP2ZPmLki1-EMC7yu6yLamTwPt58fdvr-1ucUHbI
TXT	_acme-challenge.femern.dk	NYf3DGcNemrLZG7GusaK3rIfrZ0z5TCwOsOIEzV11Gs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

239ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413039193
Primary NS (MNAME)	ed.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-26 02:39:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-06-25
Expires	2031-06-30 (1708d)

🔗 Same registrant#

6 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
fehmarnlink.dk	Punktum dk A/S (direct)
femernbaeltprojektet.dk	Punktum dk A/S (direct)
femernforbindelsen.dk	Punktum dk A/S (direct)
femernmiljo.dk	Punktum dk A/S (direct)
femerntunnel.dk	Punktum dk A/S (direct)
havnetunnel.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

97ms

119ms

86ms

AAAA

97ms

TXT

339ms

CAA

82ms

HTTPS

207ms

TLSA

808ms

SOA

0ms

MTA-STS

171ms

DNSSEC

239ms

SRV

166ms

Total

1936ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 02:03:00	481ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 08:35:50	1055ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 08:21:46	2698ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 02:10:47	1059ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 14:51:49	930ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 10:19:28	2326ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 03:33:05	2348ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:30:16	3096ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 00:55:30 shown	1936ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-15 02:16:09	5481ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 15:57:50	6640ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-11 05:03:45	2009ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 15:55:36	9205ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 03:45:42	992ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:04:42	2923ms	2 NS 1 A 1 MX	🔒 Secure