studentz.dk DNS records

🖥️ Nameservers2 records 195ms

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 184ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 206ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	studentz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.16 52.101.73.26 52.101.73.30 52.101.73.8	mail-db9pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.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
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 418ms

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

✉️ SPF

Policy	Record (studentz.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.studentz.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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)

🔐 DNSSEC331ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

195ms

A

184ms

MX

206ms

AAAA

209ms

TXT

418ms

CAA

204ms

HTTPS

219ms

TLSA

693ms

SOA

0ms

MTA-STS

283ms

DNSSEC

331ms

SRV

267ms

Total

3483ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 05:18:08	3483ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 12:47:01	5550ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 02:03:44	1769ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 22:02:39	3587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 18:47:54	1471ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:14:43	2019ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:34:54	751ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:38:01	906ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 16:51:51	1290ms	2 NS 1 A 1 MX	🔒 Secure	View