itgut.dk DNS records

🖥️ Nameservers2 records 130ms

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 123ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.146.234.59	86400s	—	AS8075	Microsoft Corporation	104.146.128.0/17	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itgut-dk.mail.eo.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca09::24 2a01:111:f403:ca09::b 52.101.68.21 52.101.68.3 52.101.73.11 52.101.73.22	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 140ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 248ms

TXT Record
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (itgut.dk)
~all (soft fail)	v=spf1 include: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)

🔐 DNSSEC9084ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

130ms

A

123ms

MX

121ms

AAAA

129ms

TXT

248ms

CAA

118ms

HTTPS

135ms

TLSA

4033ms

SOA

0ms

MTA-STS

60ms

DNSSEC

9084ms

SRV

140ms

Total

15554ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 11:58:39	15554ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 21:24:20	6682ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 17:05:44	9812ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 05:25:04	5098ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 07:09:08	1807ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:50:14	1117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 20:12:25	4694ms	2 NS 1 A 1 MX	🔒 Secure	View