fdff4.dk

📜 Historical scan 2026-07-01 04:52:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fdff4.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.49.143.186 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.49.143.186	43200s	—	AS31027	GlobalConnect A/S	37.49.128.0/20	🇩🇰 Denmark	Skanderborg

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a	lr-in-f27.1e100.net li-in-f26.1e100.net li-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx2.googlemail.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
10	3600s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 154ms

TXT Record
google-site-verification=4mvUs6ZFcozmvNSdHb2HHs2qsTiqY7RGLKYMHXpyWUs
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (fdff4.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 01:12:58

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks fdff4.dk: 37.49.143.186 (AS31027) www.fdff4.dk: 195.47.247.18 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 16:54:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-09-08
Expires	2027-09-30 (340d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

53ms

37ms

AAAA

49ms

TXT

154ms

CAA

37ms

HTTPS

38ms

TLSA

82ms

SOA

68ms

MTA-STS

47ms

DNSSEC

75ms

SRV

41ms

Total

776ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 01:12:58	2776ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-06 16:50:49	798ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 15:17:51	626ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-24 03:43:30	1956ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 19:53:16	939ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-03 20:57:06	7367ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-14 07:53:48	5024ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-01 04:52:24 shown	776ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-23 22:40:38	849ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 00:05:37	760ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:21:38	8307ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:15:10	810ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:10:54	2859ms	2 NS 1 A 5 MX	🔒 Secure