tefk.dk DNS records

🖥️ Nameservers2 records 88ms

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 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.53.130.151	600s	—	AS43350	NForce Entertainment B.V.	185.53.128.0/22	🇳🇱 The Netherlands	Amsterdam

📧 MX Records5 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a	lb-in-f26.1e100.net lu-in-f26.1e100.net lu-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC 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 Records1 records 258ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF

Policy	Record (tefk.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.tefk.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:re+qw1nd7udlde@dmarc.postmarkapp.com; sp=reject; aspf=r;

📬 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)

🔐 DNSSEC226ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

88ms

A

89ms

MX

89ms

AAAA

93ms

TXT

258ms

CAA

96ms

HTTPS

87ms

TLSA

102ms

SOA

0ms

MTA-STS

44ms

DNSSEC

226ms

SRV

8114ms

Total

9089ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 05:07:35	9089ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-19 18:42:42	10207ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-13 21:48:32	1725ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-29 10:44:22	1279ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 11:35:44	1009ms	2 NS 1 A 5 MX	🔒 Secure	View