fdff4.dk DNS records

🖥️ Nameservers2 records 36ms

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 Records1 records 41ms

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 Records5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b	rd-in-f27.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4013:813::1a	lcbomp-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx3.googlemail.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 175ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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

🏷️ SOA40ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

41ms

MX

39ms

AAAA

33ms

TXT

175ms

CAA

67ms

HTTPS

64ms

TLSA

264ms

SOA

40ms

MTA-STS

39ms

DNSSEC

98ms

SRV

84ms

Total

760ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:53:16	939ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-03 20:57:06	7367ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-14 07:53:48	5024ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-01 04:52:24	776ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-23 22:40:38	849ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 00:05:37	760ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 10:21:38	8307ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 10:15:10	810ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 10:10:54	2859ms	2 NS 1 A 5 MX	🔒 Secure	View