citrixuniversity.dk

📜 Historical scan 2026-10-08 21:19:08  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citrixuniversity.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.157.62.18 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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   39ms
NameserverIP addressesPTRASN / 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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.157.62.18 43200s skywalker.webhouse.net AS16509 Amazon.com, Inc. 35.156.0.0/14 🇩🇪 Germany Frankfurt am Main

📧 MX Records#

1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovercitrixuniversity.dk → 35.157.62.18
🔶 Autoconfigcitrixuniversity.dk → 35.157.62.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-14 04:27:07
www CNAMEcitrixuniversity.dk (all on citrixuniversity.dk)
www vs bare domainSame network
citrixuniversity.dk: 35.157.62.18 (AS16509)
www.citrixuniversity.dk: 35.157.62.18 (AS16509)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.citrixuniversity.dk citrixuniversity.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

36ms
FieldValue
Serial2026100801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 04:41:26
FieldValue
RegistrarONE.COM A/S
Registered2017-04-05
Expires2027-04-30 (195d)

🔗 Same registrant#

5 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
danofficeitsolutions.dkONE.COM A/S
dcnet5007.dkPunktum dk A/S (direct)
docloud.dkONE.COM A/S
microsoftuniversity.dkONE.COM A/S
soft2go.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
45ms
MX
44ms
AAAA
53ms
TXT
166ms
CAA
57ms
HTTPS
55ms
TLSA
96ms
SOA
36ms
MTA-STS
60ms
DNSSEC
119ms
SRV
65ms
Total
814ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 04:27:07 1144ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 23:33:54 777ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 21:19:08 shown 814ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 20:03:57 728ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-27 12:33:37 873ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-14 11:57:25 878ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-03 19:30:44 825ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 11:14:27 721ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-16 18:42:06 5062ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-02 00:13:55 866ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 20:56:04 825ms 2 NS 1 A 4 MX 🔒 Secure
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