itoperators.dk DNS records

🖥️ Nameservers2 records 42ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.237.125.109	600s	—	AS210939	Procopa IT ApS	185.237.124.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itoperators-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 52.101.73.16 52.101.73.26 52.101.73.28 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 170ms

TXT Record
apple-domain-verification=gxZXnbO6ALFoCrnD
atlassian-sending-domain-verification=62a20cdb-e2e3-41c5-b5e3-c5db0ecb0a06
v=spf1 ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.209 ip4:94.18.237.216 include:spf.protection.outlook.com include:servers.mcsv.net include:mailmailmail.net ip4:91.235.232.0/24 ip4:185.145.247.0/24 include:_spf.accelo.com -all

✉️ SPF

Policy	Record (itoperators.dk)
-all (hard fail)	v=spf1 ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.209 ip4:94.18.237.216 include:spf.protection.outlook.com include:servers.mcsv.net include:mailmailmail.net ip4:91.235.232.0/24 ip4:185.145.247.0/24 include:_spf.accelo.com -all

📨 DMARC

Policy	Record (_dmarc.itoperators.dk)
p=quarantine	v=DMARC1; p=quarantine; fo=1; rua=mailto:rua+itoperators.dk@dmarc.barracudanetworks.com; ruf=mailto:ruf+itoperators.dk@dmarc.barracudanetworks.com

📬 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)

🔐 DNSSEC2069ms

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

🏷️ SOA50ms

Field	Value
Serial	2026043005
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

42ms

A

52ms

MX

58ms

AAAA

49ms

TXT

170ms

CAA

51ms

HTTPS

66ms

TLSA

354ms

SOA

50ms

MTA-STS

64ms

DNSSEC

2069ms

SRV

76ms

Total

7214ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 03:45:29	7214ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 19:24:40	1382ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:41:00	1091ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:49:16	1172ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:22:51	783ms	2 NS 1 A 1 MX	🔒 Secure	View