c-byg.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 Records1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.37	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c22::1b 64.233.164.27	yulpptr-in-f27.1e100.net lf-in-f27.1e100.net	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	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.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)1 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:802b:cc62:9acf:c9fa	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 178ms

TXT Record
google-site-verification=-UVUP3M_SGYcdjZ284UJzLp054VI5FAC6MSsHrh6SLw
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArXcKP41VeNBmDKegSlFUWkdlnbkCib6M+7zqYyyjeQEbsL/ZjLAXMiOlGe4T0C+eVoXoH6vag5tEsfOCicms3zF2UCxlR9e5pzRr8bD/X/a8skIg7HH+TliOOPxnPm3cRgnJZiX4tw7GAX3DR6XO6cVW5i97EXBe7OEgf7upjbYQzjh+eXq7zx05gLpA5jc1Lr8oCctgpnUJmEDpsvEnkHh9xp6frEb+UMLhoAh5aM5xWjE2hThJLf2s9hs6vBze9/kEVVx/ZDsyNQU5s3rYvm0e4ag/WahY54GDvKdhYU5OLmiub2xQmTSUFAGR+8IJeTZ2ilCt2aVyT4jm1mZ8EwIDAQAB
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (c-byg.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)

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082504
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

53ms

MX

40ms

AAAA

66ms

TXT

178ms

CAA

36ms

HTTPS

38ms

TLSA

93ms

SOA

0ms

MTA-STS

75ms

DNSSEC

94ms

SRV

69ms

Total

1743ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:30:28	1743ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 11:10:22	787ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-17 13:26:02	5255ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-01 22:54:28	9110ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-01 21:38:59	3009ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-28 05:33:37	1309ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-27 18:01:42	1024ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-16 18:47:53	648ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-16 18:40:56	718ms	2 NS 1 A 5 MX	🔒 Secure	View