studentum.dk DNS records

🖥️ Nameservers4 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 Records4 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 Records1 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 Records7 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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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	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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

62ms

MX

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	4187ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 14:40:57	2250ms	4 NS 4 A 1 MX	🔓 Insecure	View