mentor2u.dk DNS records

🖥️ Nameservers2 records 39ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.112.192.43	3600s	srv569124.hstgr.cloud	AS47583	Hostinger International Limited	92.112.192.0/21	🇫🇷 France	Paris

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mentor2u-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::7 52.101.68.12 52.101.68.18 52.101.68.21 52.101.68.32	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.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
🔶 Autoconfig	46.30.213.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

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

📝 TXT Records3 records 193ms

TXT Record
google-site-verification=H29pOgXvuZhQvgRP4HzltX_m-myxtGW_ATFD2jcTT14
P-sUb4L9m34j
v=spf1 include:spf.protection.outlook.com include:spfinclude.signflow.dk include:spf.permido.com -all

✉️ SPF

Policy	Record (mentor2u.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spfinclude.signflow.dk include:spf.permido.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)

🔐 DNSSEC87ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA52ms

Field	Value
Serial	2026072902
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

39ms

A

43ms

MX

44ms

AAAA

51ms

TXT

193ms

CAA

58ms

HTTPS

38ms

TLSA

613ms

SOA

52ms

MTA-STS

62ms

DNSSEC

87ms

SRV

76ms

Total

5598ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 20:05:28	5598ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 17:29:48	5171ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 18:50:21	2759ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 21:39:41	2872ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 04:20:08	735ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 05:19:40	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 01:44:35	727ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:59:35	1040ms	2 NS 1 A 1 MX	🔓 Insecure	View