ob.dk DNS records

🖥️ Nameservers2 records 56ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.98	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.96	600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ob-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.103.137 52.101.103.143 52.101.68.18 52.101.68.25	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 162ms

TXT Record
facebook-domain-verification=ujpb7loi6tqou8veqv3i4d1nqrtxgw
google-site-verification=eCbng0qUX87sBcWxnkmi6HlBEfR2wi8KN6FXVFVnrjo
klaviyo-site-verification=WjDKqA
MS=ms55751747
v=spf1 ip4:83.91.83.162 include:spf.protection.outlook.com include:servers.mcsv.net include:eu.mailgun.org include:cmail1.com ~all

✉️ SPF

Policy	Record (ob.dk)
~all (soft fail)	v=spf1 ip4:83.91.83.162 include:spf.protection.outlook.com include:servers.mcsv.net include:eu.mailgun.org include:cmail1.com ~all

📨 DMARC

Policy	Record (_dmarc.ob.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC2059ms

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

🏷️ SOA0ms

Field	Value
Serial	2026050506
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

56ms

A

45ms

MX

48ms

AAAA

41ms

TXT

162ms

CAA

45ms

HTTPS

52ms

TLSA

745ms

SOA

0ms

MTA-STS

61ms

DNSSEC

2059ms

SRV

61ms

Total

3213ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 04:29:26	3213ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-28 07:49:21	1268ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-02 15:40:21	997ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 10:39:53	1489ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-22 22:29:40	762ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-21 18:54:42	970ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 00:08:05	655ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-20 05:09:39	1637ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 13:30:46	2728ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 04:50:18	1005ms	2 NS 2 A 1 MX	🔒 Secure	View