ustc.dk

📜 Historical scan 2026-06-20 02:12:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ustc.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 6 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.98 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ustc-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#

2 records   72ms
NameserverIP addressesPTRASN / ISP
dns1.cscdns.net 156.154.130.100
2610:a1:1022::100		 spdns3.cscdns.net
ns1.ascio.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
dns2.cscdns.net 156.154.131.100
2610:a1:1023::100		 ns4.ascio.net
ns3.domainnetwork.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC

🌍 A Records#

2 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.140.98 3225s — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —
172.66.0.96 3225s — AS13335 Cloudflare, Inc. 172.66.0.0/22 — —

📧 MX Records#

1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s ustc-dk.mail.protection.outlook.com 2a01:111:f403:ca04::5
2a01:111:f403:ca04::f
2a01:111:f403:ca09::1
2a01:111:f403:ca09::c
52.101.68.3
52.101.73.153
52.101.73.2
52.101.73.4		 mail-db3pr0202cu00205.inbound.protection.outlook.com
mail-db7pr03cu00507.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com
mail-as9pr07cu00302.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.98.16.76

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   331ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 0 5061 sipfed.online.lync.com

📝 TXT Records#

14 records   2262ms
TXT Record
8Rj6zA+kbi6YJaOqJEVkes2OTo3esXtZsfIov/ZKgDo=
adobe-idp-site-verification=edd12c984ce6b53ae147023c8ecfdf80c599378201871316ad7959887ad75d59
apple-domain-verification=DOQAstql1LV99kTV
CEOV1607253747_ 12swBF
globalsign-domain-verification=cvE1o8ImayTB7LRnSnsdKPT8eRHN5_VOne97C0U_tB
google-site-verification=PnzGTsvWyrWZxZSeSc4a4sPrAdHLwknbaDsaNPXZxXc
IPwfnaOevpMA0FP8kqafl+n2492e9KPjAbA0rxL3mro=
jdbozzrqDWMa/X3I8MwqYkfdvzAYSYdhsx9iDTmIO5E=
knowbe4-site-verification=19ecbcfcb9e46a23beec6adde2f8d3b6
MS=ms26011496
MS=ms26935357
qohYonaJ9urGj7o8AIhAGZeZJXYbz0D1HkothJ9KsCQ=
QTPcAa86rwgMYxvsiJxaMMZBHcg5bMqYHzvk2lyQlKC75f/iBUhVviz8imtBxFXlcRWN2Nt6HIO7h3qbxBF4jg==
v=spf1 include:spf.protection.outlook.com ip4:87.54.30.26 mx:ofithost.dk a:ustc.dk include:spf.unit-it.dk include:sendgrid.net include:mailgun.org ~all

✉️ SPF#

PolicyRecord (ustc.dk)
~all (soft fail) v=spf1 include:spf.protection.outlook.com ip4:87.54.30.26 mx:ofithost.dk a:ustc.dk include:spf.unit-it.dk include:sendgrid.net include:mailgun.org ~all

📨 DMARC#

PolicyRecord (_dmarc.ustc.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@14kt1cdr.uriports.com; ruf=mailto:dmarc@14kt1cdr.uriports.com; fo=1

📬 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 2026-10-08 01:14:54
www CNAMEking-prawn-app-633ov.ondigitalocean.app (all on ondigitalocean.app)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

3 found
SelectorCNAMEKey
s1 s1.domainkey.u15441642.wl143.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u15441642.wl143.sendgrid.net RSA · ~2048 bit
selector1 selector1-ustc-dk._domainkey.ustchost.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: 11/10 · policy: ~all

  • error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

70ms
FieldValue
Serial2018082044
Primary NS (MNAME)dns1.cscdns.net
Responsible (RNAME)hostmaster@cscdns.net
Refresh10800s
Retry1800s
Expire3600000s
Minimum (neg-cache TTL)21600s

📋 Registration#

WHOIS fetched 2026-10-20 05:38:32
FieldValue
RegistrarCSC Digital Brand Service, Inc
Registered1999-12-06
Expires2026-12-31 (72d)

🔗 Same registrant#

22 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
bhapplications.dkCSC Digital Brand Service, Inc
f-t.dkCSC Digital Brand Service, Inc
franck-tobiesen.dkCSC Digital Brand Service, Inc
hosthouse.dkCSC Digital Brand Service, Inc
it-craft.dkCSC Digital Brand Service, Inc
itholding.dkCSC Digital Brand Service, Inc
kc-host.dkCSC Digital Brand Service, Inc
kcrr.dkCSC Digital Brand Service, Inc
nonfederation-usermigration.dkCSC Digital Brand Service, Inc
odinsbrygge.dkCSC Digital Brand Service, Inc
outforce.dkCSC Digital Brand Service, Inc
performancedoctor.dkCSC Digital Brand Service, Inc
premiumleasing.dkCSC Digital Brand Service, Inc
sdkgroup.dkCSC Digital Brand Service, Inc
selectedcarcollection.dkCSC Digital Brand Service, Inc
selfproperty.dkCSC Digital Brand Service, Inc
sqlperformancedoctor.dkCSC Digital Brand Service, Inc
teneo.dkCSC Digital Brand Service, Inc
udemo.dkCSC Digital Brand Service, Inc
unit-it.dkCSC Digital Brand Service, Inc
unitcloud.dkCSC Digital Brand Service, Inc
wingman-kultur.dkCSC Digital Brand Service, Inc
📋 WHOIS#

⏱️ Lookup Timing#

NS
72ms
A
34ms
MX
69ms
AAAA
70ms
TXT
2262ms
CAA
57ms
HTTPS
72ms
TLSA
2052ms
SOA
70ms
MTA-STS
60ms
DNSSEC
123ms
SRV
331ms
Total
4836ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 21:39:23 989ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-27 18:27:45 825ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 01:30:33 2552ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 20:05:42 1555ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 02:12:11 shown 4836ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 11:45:06 1011ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone