itsupporten.dk DNS records

🖥️ Nameservers2 records 186ms

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 316ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.250	3600s	webcluster2.webpod18-cph3.g1i.one	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 257ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itsupporten-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 52.101.68.32 52.101.73.1 52.101.73.16 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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 251ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:80d1:2484:5486:468d	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

🔌 SRV Records2 records 368ms

Service	Priority	Weight	Port	Target
_sip._tcp	100	1	443	sipdir.online.lync.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 689ms

TXT Record
P-KY5keHMyP4
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.itsupporten.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:info+dmarc@itsupporten.dk; ruf=mailto:info+dmarc@itsupporten.dk; pct=100

📬 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)

🔐 DNSSEC484ms

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

🏷️ SOA0ms

Field	Value
Serial	2026070401
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

186ms

A

316ms

MX

257ms

AAAA

251ms

TXT

689ms

CAA

332ms

HTTPS

284ms

TLSA

780ms

SOA

0ms

MTA-STS

355ms

DNSSEC

484ms

SRV

368ms

Total

5941ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 12:32:05	648ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:35:59	1621ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 17:22:55	824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 09:58:24	17421ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 20:53:46	5941ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 02:33:55	2302ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 02:22:16	2185ms	4 NS 1 A 1 MX	🔓 Insecure	View