h17.dk DNS records

🖥️ Nameservers2 records 107ms

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 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.155	3600s	webcluster28.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	h17-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 2a01:111:f403:ca09::c 52.101.68.10 52.101.73.11 52.101.73.123 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)1 records 114ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:db:42a7:f3b0:72ca	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 326ms

TXT Record
MS=ms10029156
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (h17.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC242ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

107ms

A

118ms

MX

109ms

AAAA

114ms

TXT

326ms

CAA

122ms

HTTPS

110ms

TLSA

1092ms

SOA

0ms

MTA-STS

143ms

DNSSEC

242ms

SRV

133ms

Total

2292ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 11:24:03	2292ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 01:37:27	874ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 19:26:31	1297ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 02:04:08	2049ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 08:38:51	1286ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 21:10:28	774ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 20:22:01	1689ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 17:59:55	708ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:00:55	1025ms	2 NS 1 A 1 MX	🔒 Secure	View