interteach.dk DNS records

🖥️ Nameservers2 records 236ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.hostnet.nl	195.206.121.13 2001:67c:28cc::13	ns1.hostnet.nl ns1.hostnet.nl	AS197495 One.com A/S AS197495 One.com A/S
ns02.hostnet.nl	185.10.11.13 2001:67c:3c0::13	ns2.hostnet.nl ns2.hostnet.nl	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 225ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.184.0.200	600s	balancing.hostnet.nl	AS51468	One.com A/S	91.184.0.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 226ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	interteach-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::9 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.18 52.101.68.5 52.101.73.2	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.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	91.184.0.200

🔷 AAAA Records (IPv6)1 records 229ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2268:1:0:f816:3eff:fe7b:63c6	14400s	—	AS197902	Hostnet B.V.	2a02:2268:0:0:0:0:0:0/32	🇳🇱 The Netherlands	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 397ms

TXT Record
v=spf1 include:_spf.hostnet.nl include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (interteach.dk)
-all (hard fail)	v=spf1 include:_spf.hostnet.nl include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.interteach.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r;

📬 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)

🔐 DNSSEC337ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081202
Primary NS (MNAME)	ns01.hostnet.nl
Responsible (RNAME)	hostmaster@hostnet.nl
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

236ms

A

225ms

MX

226ms

AAAA

229ms

TXT

397ms

CAA

236ms

HTTPS

245ms

TLSA

500ms

SOA

0ms

MTA-STS

277ms

DNSSEC

337ms

SRV

250ms

Total

2986ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 03:48:28	2986ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 15:12:53	4033ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 14:40:36	16831ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-15 10:44:21	2044ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 20:37:43	798ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:34:38	2383ms	2 NS 1 A 1 MX	🔓 Insecure	View