studentum.dk

Records from scan: 2026-09-01 04:03:58 · 4187ms total · last checked 2026-10-17 01:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studentum.dk is a .dk domain served by 4 nameservers (ns-1412.awsdns-48.org, ns-179.awsdns-22.com, ns-1865.awsdns-41.co.uk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.173.5.101 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by studentum-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1412.awsdns-48.org	205.251.197.132 2600:9000:5305:8400::1	ns-1412.awsdns-48.org ns-1412.awsdns-48.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-179.awsdns-22.com	205.251.192.179 2600:9000:5300:b300::1	ns-179.awsdns-22.com ns-179.awsdns-22.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1865.awsdns-41.co.uk	205.251.199.73 2600:9000:5307:4900::1	ns-1865.awsdns-41.co.uk ns-1865.awsdns-41.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-527.awsdns-01.net	205.251.194.15 2600:9000:5302:f00::1	ns-527.awsdns-01.net ns-527.awsdns-01.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.173.5.101	60s	server-18-173-5-101.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.26	60s	server-18-173-5-26.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.45	60s	server-18-173-5-45.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.61	60s	server-18-173-5-61.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	studentum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::a 2a01:111:f403:ca48::8 52.101.68.10 52.101.73.2 52.101.73.22 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40
🔶 Autoconfig	18.173.5.45

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 311ms

TXT Record
facebook-domain-verification=kcj0nmpy90n31sb6uskadt6yeldlnt
google-site-verification=i34DofOKNtnnkJ1_A5PWRVTd4RW9_VstwaLj_3G12H4
google-site-verification=lQ7uFaSdAUwylG8XkZ82OPjDAY_L6wllXyRuTlTzMTE
google-site-verification=QkADYR2qLr8LjxM6Gglm08HDp0_vqZaD3pIZOy8Gxjk
google-site-verification=WLUVJ0ReX2qKC2xQjWyvXLRKQnM2Ko7Z3ZcJ9SjF5jU
MS=ms82372706
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:826425.spf08.hubspotemail.net include:_spf.mail03-userengage.com ~all

✉️ SPF#

Policy	Record (studentum.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:826425.spf08.hubspotemail.net include:_spf.mail03-userengage.com ~all

📨 DMARC#

Policy	Record (_dmarc.studentum.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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#

checked 2026-10-02 08:57:11

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-studentum-dk._domainkey.keystoneacademic365.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1412.awsdns-48.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

62ms

70ms

AAAA

55ms

TXT

311ms

CAA

64ms

HTTPS

66ms

TLSA

812ms

SOA

0ms

MTA-STS

99ms

DNSSEC

104ms

SRV

115ms

Total

4187ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 04:03:58 shown	4187ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-17 14:40:57	2250ms	4 NS 4 A 1 MX	🔓 Insecure