ca-byg.dk DNS records

🖥️ Nameservers2 records 104ms

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 137ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.146	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cabyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.25 52.101.73.11 52.101.73.24	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 94ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:97:36d4:28e4:594a	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 Records2 records 529ms

TXT Record
MS=ms60321668
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (ca-byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC517ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083002
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

104ms

A

137ms

MX

93ms

AAAA

94ms

TXT

529ms

CAA

145ms

HTTPS

91ms

TLSA

508ms

SOA

0ms

MTA-STS

177ms

DNSSEC

517ms

SRV

141ms

Total

2679ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:40:17	2679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 03:57:03	1221ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 03:53:31	1788ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:39:14	1102ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 09:58:45	1378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 15:42:43	771ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:41:52	630ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:40:37	1708ms	2 NS 1 A 1 MX	🔒 Secure	View