h20.dk DNS records

🖥️ Nameservers2 records 28ms

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 178ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.160.25.11	43200s	93-160-25-11-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	93.160.0.0/14	🇩🇰 Denmark	Esbjerg

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	h20-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.68.0 52.101.68.5 52.101.73.123 52.101.73.15	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.24
🔶 Autoconfig	93.160.25.11

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 199ms

TXT Record
MS=ms61231268
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (h20.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.h20.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dns@h20.dk; ruf=mailto:dns@h20.dk

📬 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)

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

28ms

A

178ms

MX

33ms

AAAA

167ms

TXT

199ms

CAA

30ms

HTTPS

29ms

TLSA

359ms

SOA

0ms

MTA-STS

43ms

DNSSEC

97ms

SRV

240ms

Total

991ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:53:35	991ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 10:05:36	5299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 15:28:34	10169ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 18:43:43	5142ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 23:05:46	2803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 10:03:35	1149ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:08:16	792ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 20:18:13	2720ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:10:18	2692ms	2 NS 1 A 1 MX	🔒 Secure	View