fedrem.dk

📜 Historical scan 2026-10-01 15:03:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fedrem.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, ivy.ns.cloudflare.com). It was registered on 27 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.143 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 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 41ms

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.
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.143	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.208	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b	lt-in-f27.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.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::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:c1d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:548f	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=104.21.84.143,172.67.193.208 ech=AEX+DQBB/QAgACDXnBlS7WsBpW3het4JiVs5q/cfBYlfPPlRrwAHBZwcJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c1d0,2606:4700:3037::6815:548f

📝 TXT Records#

1 records 195ms

TXT Record
google-site-verification=AsjPy3nFHf16cwZeipDKqbEQ1rDzRoXMeTs50bjrtbI

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.fedrem.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 2026-10-15 08:45:23

www	54.37.19.164 (AS16276) (address records, no CNAME)
www vs bare domain	Different networks fedrem.dk: 104.21.84.143 172.67.193.208 2606:4700:3035::ac43:c1d0 2606:4700:3037::6815:548f (AS13335) www.fedrem.dk: 54.37.19.164 (AS16276) (all like this)
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#

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.

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fedrem.dk	g0Clrm_6BCdC9LfRGq4Ir0ERPw3rTFMxwnTic0thuMA
TXT	_acme-challenge.fedrem.dk	iBTNN2M0avqi6PGpZVKLsa6TLUFdD20bBpcQ_nHmkqo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416287629
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 2026-10-08 10:26:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-12-27
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

30ms

AAAA

41ms

TXT

195ms

CAA

34ms

HTTPS

44ms

TLSA

97ms

SOA

45ms

MTA-STS

51ms

DNSSEC

57ms

SRV

67ms

Total

626ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 08:45:23	1435ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-03 15:07:10	1230ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-01 15:03:41 shown	626ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-28 14:41:19	930ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-23 13:42:21	1346ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-21 02:58:16	1674ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-19 12:27:38	1274ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-15 19:12:07	7952ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-08 14:39:34	1542ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-03 17:55:49	1501ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-27 16:25:42	704ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-24 19:46:47	1170ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-07 13:40:17	1933ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-11 13:41:17	1861ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-27 08:49:29	1235ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-21 07:13:27	1540ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 10:08:00	861ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 10:04:33	10398ms	0 NS 0 A 0 MX	❓ Unknown