cfdp.dk DNS records

🖥️ Nameservers2 records 38ms

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 Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records5 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	aspmx.l.google.com	2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 64.233.161.26	li-in-x1b.1e100.net li-in-f27.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	600s	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	600s	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
30	600s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx4.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-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 Records5 records 171ms

TXT Record
facebook-domain-verification=a471kkdcyivcd02naiq1c8x7rygzl9
google-site-verification=r-YtsXUvYgT6LxKZ1Rsgib-JwGFOYyM2FuYOgW3C7Y8
MS=E211575C1E393B99D2891B78224EAFA53903C858
v=DMARC1; p=none; rua=mailto:sif@cfdp.dk; ruf=mailto:jonassindal@cfdp.dk; pct=100
v=spf1 include:_spf.google.com ip4:35.187.46.239 include:_custspf.one.com v=spf1 include:send.heysender.com include:uxmail.io include:spf.ubivox.com ~all

✉️ SPF

Policy	Record (cfdp.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ip4:35.187.46.239 include:_custspf.one.com v=spf1 include:send.heysender.com include:uxmail.io include:spf.ubivox.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)

🔐 DNSSEC100ms

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

🏷️ SOA36ms

Field	Value
Serial	2026061502
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

38ms

A

41ms

MX

48ms

AAAA

35ms

TXT

171ms

CAA

33ms

HTTPS

37ms

TLSA

65ms

SOA

36ms

MTA-STS

37ms

DNSSEC

100ms

SRV

87ms

Total

680ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:27:19	735ms	3 NS 2 A 5 MX	🔓 Insecure	View
2026-08-09 08:10:57	1373ms	3 NS 2 A 5 MX	🔓 Insecure	View
2026-06-23 14:17:10	654ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-20 04:52:44	680ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-20 04:10:20	691ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-16 20:10:21	809ms	2 NS 2 A 5 MX	🔒 Secure	View