htoa.dk DNS records

🖥️ Nameservers2 records 75ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.134	3600s	webcluster7.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	htoa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.103.140 52.101.73.12 52.101.73.145 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 82ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:32:db79:aa05:9fca	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 Records1 records 298ms

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

✉️ SPF

Policy	Record (htoa.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 / DANE1 records 847ms

Service / Owner	Type	Cert association
HTTPS _443._tcp.htoa.dk	DANE-EE · SPKI · SHA-256	DA85DE9582F561F59EA37BA5F8ED2B82…

🔐 DNSSEC220ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

75ms

A

87ms

MX

114ms

AAAA

82ms

TXT

298ms

CAA

91ms

HTTPS

90ms

TLSA

847ms

SOA

0ms

MTA-STS

108ms

DNSSEC

220ms

SRV

174ms

Total

2406ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 13:32:42	2406ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 14:32:25	1983ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 13:50:19	3778ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 15:20:41	1030ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 16:43:23	3862ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 19:51:47	1118ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 23:32:16	786ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-17 13:20:34	992ms	2 NS 1 A 1 MX	🔒 Secure	View