studentum.dk

📜 Historical scan 2026-06-17 14:40:57  ·  ← Latest scan
⬇ 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 registered on 22 February 2005 (WHOIS) and 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   53ms
NameserverIP addressesPTRASN / 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   69ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.173.5.101 — server-18-173-5-101.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.26 — server-18-173-5-26.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.45 — server-18-173-5-45.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —
18.173.5.61 — server-18-173-5-61.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 18.173.0.0/21 🇺🇸 United States —

📧 MX Records#

1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
0 — studentum-dk.mail.protection.outlook.com 2a01:111:f403:ca04::
2a01:111:f403:ca04::1
2a01:111:f403:ca09::7
2a01:111:f403:ca09::d
52.101.68.3
52.101.68.5
52.101.73.16
52.101.73.28		 mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-db7pr03cu00401.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as9pr05cu01305.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records   412ms
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#

PolicyRecord (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#

PolicyRecord (_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#

latest probe, not this scan · checked 2026-10-02 08:57:11
wwwAddress record (no CNAME)
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

166ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

46ms
FieldValue
Serial1
Primary NS (MNAME)ns-1412.awsdns-48.org
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-17 02:48:03
FieldValue
RegistrarEurodns S.A
Registered2005-02-22
Expires2027-02-28 (133d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
academiccourses.dkEurodns S.A
bachelorstudies.dkEurodns S.A
finduddannelse.dkEurodns S.A
healthcarestudies.dkEurodns S.A
jobrettetkursus.dkEurodns S.A
kurserforledige.dkEurodns S.A
lawstudies.dkEurodns S.A
onlinestudies.dkEurodns S.A
📋 WHOIS#

⏱️ Lookup Timing#

NS
53ms
A
69ms
MX
52ms
AAAA
54ms
TXT
412ms
CAA
49ms
HTTPS
49ms
TLSA
257ms
SOA
46ms
MTA-STS
40ms
DNSSEC
166ms
SRV
0ms
Total
2250ms

🕐 Scan History#

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