itr.dk DNS records

🖥️ Nameservers2 records 55ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.7.26	600s	nhlsrv19.nhl-data.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itr-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 52.101.68.15 52.101.68.39 52.101.73.28 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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
🔶 Autoconfig	87.116.7.26

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 104ms

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

📝 TXT Records2 records 193ms

TXT Record
MS=ms43590078
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.itr.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC144ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

55ms

A

50ms

MX

40ms

AAAA

63ms

TXT

193ms

CAA

40ms

HTTPS

41ms

TLSA

138ms

SOA

0ms

MTA-STS

97ms

DNSSEC

144ms

SRV

104ms

Total

1275ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 12:01:09	1275ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 03:45:01	3565ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:30:10	1234ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 09:41:41	1811ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 22:02:25	851ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 16:03:34	1232ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:01:05	1005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:41:55	972ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:38:20	1167ms	2 NS 1 A 1 MX	🔒 Secure	View