htfire.dk DNS records

🖥️ Nameservers2 records 275ms

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 182ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.201.84.25	3600s	naboo.ahait.dk	AS24940	Hetzner Online GmbH	138.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 207ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	htfire-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 52.101.68.16 52.101.73.12 52.101.73.15 52.101.73.26	mail-du2pr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.56
🔶 Autoconfig	htfire.dk → 138.201.84.25

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 297ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	mail.inframail.dk
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 510ms

TXT Record
MS=ms24214221
v=spf1 include:spf.protection.outlook.com ip4:62.116.200.20 -all

✉️ SPF

Policy	Record (htfire.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:62.116.200.20 -all

📨 DMARC

Policy	Record (_dmarc.htfire.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@htfire.dk; ruf=mailto:dmarc@htfire.dk; fo=1;

📬 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)

🔐 DNSSEC419ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081401
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

275ms

A

182ms

MX

207ms

AAAA

273ms

TXT

510ms

CAA

173ms

HTTPS

283ms

TLSA

906ms

SOA

0ms

MTA-STS

292ms

DNSSEC

419ms

SRV

297ms

Total

4077ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 20:17:20	4077ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 05:12:41	1445ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 19:12:14	2683ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:03:25	2149ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:00:13	279ms	0 NS 0 A 0 MX	❓ Unknown	View