c0.dk DNS records

🖥️ Nameservers2 records 63ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
67.199.248.12	43200s	cname.bitly.com	AS396982	Google LLC	67.199.248.0/24	🇺🇸 United States	—
67.199.248.13	43200s	cname.bitly.com	AS396982	Google LLC	67.199.248.0/24	🇺🇸 United States	—

📧 MX Records7 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b	lt-in-f26.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.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
20	43200s	alt2.aspmx.l.google.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
30	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
30	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.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
30	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-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 172ms

TXT Record
google-site-verification=okOVRIbuIMLca9_H6k_q0eBnKZhLgtywzapF-4Kh84Y
have-i-been-pwned-verification=0126d85d26723c551c87f79788fa0022

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

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

63ms

A

47ms

MX

66ms

AAAA

40ms

TXT

172ms

CAA

53ms

HTTPS

50ms

TLSA

106ms

SOA

0ms

MTA-STS

86ms

DNSSEC

96ms

SRV

75ms

Total

1104ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:02:57	1104ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-24 15:43:09	885ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-24 02:03:01	1186ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 05:16:37	936ms	2 NS 2 A 7 MX	⚠️ Bogus	View
2026-06-16 18:43:08	820ms	2 NS 2 A 7 MX	🔒 Secure	View
2026-06-16 18:40:24	1072ms	2 NS 2 A 7 MX	🔒 Secure	View