ijcu.dk DNS records

🖥️ Nameservers2 records 50ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.37.82	600s	—	AS3308	Norlys Telco A/S	193.8.36.0/23	🇩🇰 Denmark	Ølstykke

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	ijcu-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca48::8 52.101.103.137 52.101.68.25 52.101.68.8 52.101.73.12	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 173ms

TXT Record
MS=ms73735653
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ijcu.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

50ms

A

48ms

MX

50ms

AAAA

35ms

TXT

173ms

CAA

44ms

HTTPS

51ms

TLSA

372ms

SOA

0ms

MTA-STS

59ms

DNSSEC

84ms

SRV

65ms

Total

900ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:51:09	900ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:01:39	1201ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:31:37	2302ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 08:17:12	2146ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:33:58	3194ms	2 NS 1 A 1 MX	🔒 Secure	View