itcf.dk DNS records

🖥️ Nameservers2 records 64ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.127	3600s	webforward.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	itcf-dk.mail.protection.outlook.com	2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.12 52.101.68.3 52.101.68.8	mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.99.155.248
🔶 Autoconfig	46.30.215.127

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1293ms

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

📝 TXT Records3 records 308ms

TXT Record
DH7N8IB1aRaJn20OvfWc/ZYPF3JgDwnA5yiM5MdTIkc8qbcb7elJjnsyx/GaXeW2ioR6hP/QnmYsN413pBdv3Q==
MS=ms51828652
v=spf1 a:itcpostfix02out.itcfyn.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (itcf.dk)
-all (hard fail)	v=spf1 a:itcpostfix02out.itcfyn.dk 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)

🔐 DNSSEC125ms

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

🏷️ SOA62ms

Field	Value
Serial	2026032502
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

64ms

A

44ms

MX

70ms

AAAA

63ms

TXT

308ms

CAA

62ms

HTTPS

52ms

TLSA

318ms

SOA

62ms

MTA-STS

59ms

DNSSEC

125ms

SRV

1293ms

Total

2019ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-20 01:15:04	2019ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:37:23	988ms	2 NS 1 A 1 MX	🔒 Secure	View