studentz.dk

📜 Historical scan 2026-07-08 18:47:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studentz.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by studentz-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

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 Records#

1 records 53ms

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 Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	studentz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 52.101.68.5 52.101.73.11 52.101.73.153 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.62.232
🔶 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 Records#

1 records 334ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 12:01:12

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network studentz.dk: 195.47.247.18 (AS51468) www.studentz.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

166ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070607
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 04:55:02

Field	Value
Registrar	ONE.COM A/S
Registered	2023-07-27
Expires	2027-07-26 (277d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

53ms

45ms

AAAA

33ms

TXT

334ms

CAA

37ms

HTTPS

40ms

TLSA

251ms

SOA

0ms

MTA-STS

108ms

DNSSEC

166ms

SRV

153ms

Total

1471ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 12:01:12	1178ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 03:56:00	1065ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:36:55	1419ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 02:45:59	1235ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 11:28:53	1130ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 17:38:15	800ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 05:18:08	3483ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 12:47:01	5550ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 02:03:44	1769ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 22:02:39	3587ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 18:47:54 shown	1471ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 11:14:43	2019ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 03:34:54	751ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:38:01	906ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 16:51:51	1290ms	2 NS 1 A 1 MX	🔒 Secure