ferb.dk

📜 Historical scan 2026-08-21 07:02:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferb.dk is a .dk domain served by 2 nameservers (autumn.ns.cloudflare.com, eugene.ns.cloudflare.com). It was registered on 16 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.35 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.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 282ms

Nameserver	IP addresses	PTR	ASN / ISP
autumn.ns.cloudflare.com	108.162.194.148 162.159.38.148 172.64.34.148 2606:4700:50::a29f:2694 2803:f800:50::6ca2:c294 2a06:98c1:50::ac40:2294	autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eugene.ns.cloudflare.com	108.162.195.72 162.159.44.72 172.64.35.72 2606:4700:58::a29f:2c48 2803:f800:50::6ca2:c348 2a06:98c1:50::ac40:2348	eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.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 275ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.35	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.150	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 277ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 288ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4c23	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:ba96	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 298ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.35,172.67.186.150 ech=AEX+DQBBCAAgACDb3/WLYUIQLa2YPEQQ27wU3af9e9qm5m4A7B3QpjtaagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4c23,2606:4700:3035::ac43:ba96

📝 TXT Records#

3 records 942ms

TXT Record
google-site-verification=18PYk2vEyqnzIIavmnKit2U0ss_TnJPlm2ezAnWZXP0
google-site-verification=ainB72KkUhwbvMvzMmfM0J6ESSuJ7sEUzUseoIcieiQ
v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

✉️ SPF#

Policy	Record (ferb.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

📨 DMARC#

Policy	Record (_dmarc.ferb.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

📬 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 2026-10-08 12:01:30

www	Exists, no address
www vs bare domain	www does not resolve ferb.dk: 104.21.76.35 172.67.186.150 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.ferb.dk: no address (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ferb.dk	JuWtGVrrmnV8cRNgZunv7f7_jUMiFZrzeG94LNUkEUQ
TXT	_acme-challenge.ferb.dk	o1vOIdkjt2mb23DXKbHUck4WiZxb1_uIt1No8PFRYAY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

483ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412735110
Primary NS (MNAME)	autumn.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 05:22:13

Field	Value
Registrar	Simply.com A/S
Registered	2026-02-16
Expires	2027-02-15 (120d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

282ms

275ms

277ms

AAAA

288ms

TXT

942ms

CAA

310ms

HTTPS

298ms

TLSA

512ms

SOA

0ms

MTA-STS

328ms

DNSSEC

483ms

SRV

355ms

Total

8951ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 03:46:11	1595ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 03:05:59	707ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 11:04:26	1423ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 09:58:21	1394ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 07:11:06	8290ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-21 07:02:44 shown	8951ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 23:59:58	1683ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 02:34:27	3209ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-24 12:01:45	1667ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 13:17:19	9851ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-01 23:05:13	1449ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 20:43:49	3313ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-19 18:36:50	756ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-19 10:34:55	1074ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 09:21:39	1169ms	2 NS 2 A 1 MX	🔒 Secure