sdu.dk
Last scanned: 2026-09-03 20:32:30  ·  16794ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   70ms
NameserverIP addressesPTRASN / ISP
ns1.sdu.dk 130.225.155.136 ns1.sdu.dk AS1835 IDDQD-AS
ns2.sdu.dk 130.225.155.148 ns2.sdu.dk AS1835 IDDQD-AS
ns3.sdu.dk 193.163.227.4 ns3.sdu.dk AS44328 Region Syddanmark
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.233.201.66 28800s — AS8075 Microsoft Corporation 52.224.0.0/11 🇳🇱 The Netherlands Amsterdam
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s sdu-dk.i-v1.mx.microsoft 2a01:111:f403:ca04::1
2a01:111:f403:ca04::2
2a01:111:f403:ca09::6
2a01:111:f403:ca38::8
52.101.181.156
52.101.68.29
52.101.68.32
52.101.68.36		 mail-db7pr03cu00401.inbound.protection.outlook.com
mail-du2pr03cu00102.inbound.protection.outlook.com
mail-am4pr0401cu00106.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-wa4pr05cu00104.inbound.protection.outlook.com
mail-dbapr03cu00105.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-db5pr02cu00104.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 → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   91ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records16 records   206ms
TXT Record
adobe-idp-site-verification=e34f6e4bcf7eadd6654192a257f41929b80b1f0ac7a82e77e2b0bb963e1adae4
anny-verification=d5780c1a-c110-451a-a43b-677a9cc301cd
apple-domain-verification=EzeDYLR7YMFkMMac
brevo-code:56f327a18473aef300bb67ac76345171
brevo-code:b1414e0a234265a2faa294058248ae06
google-site-verification=3T8w3y9e8UzPpnfQKDYYm6YT4qPGnd7blyntiVkeE60
google-site-verification=ETvx5gK_x2kcF8-H45R_mgcJdjMvhWXwzLjUcF84WCY
google-site-verification=fpCJBH8O2uLPHVCQNu0OdNutJd7Fu-IKzIJcotpCRdw
google-site-verification=wZoog9iv4keZYCM_fFJJ2fBJu1lLb5kb97P_B34sGug
HARICA-7eMIKTYZN7qVAhEHoLp
HARICA-prTfgBvvXzYiSZO85YT
jamf-site-verification=y2MyJGehxBpxegThwTyNaw
MjV5d1ctQ3o0bE4XAgQiUVjDvo9yOdykuAZAacFNLnWNd/XEHcY17WHnkXKkfvXjeVqR5k8T/h7rUMKKv9bDvg==
MS=ms64340864
v=spf1 include:_spf.sdu.dk -all
ZOOM_verify_JfJlqXcPR8a6z2Joan4Yow
✉️ SPF
PolicyRecord (sdu.dk)
-all (hard fail) v=spf1 include:_spf.sdu.dk -all
📨 DMARC
PolicyRecord (_dmarc.sdu.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records10 records   39ms
FlagsTagValue
0 iodef mailto:abuse@sdu.dk
0 issue amazon.com
0 issue amazonaws.com
0 issue amazontrust.com
0 issue digicert.com
0 issue globalsign.com
0 issue harica.gr
0 issue letsencrypt.org
0 issuewild harica.gr
0 issuewild letsencrypt.org
🔗 TLSA / DANE4 records   138ms
Service / OwnerTypeCert association
SMTP _25._tcp.sdu-dk.i-v1.mx.microsoft DANE-TA · Full cert · SHA-256 EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.sdu-dk.i-v1.mx.microsoft DANE-EE · SPKI · SHA-256 803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.sdu-dk.i-v1.mx.microsoft DANE-TA · Full cert · SHA-256 C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.sdu-dk.i-v1.mx.microsoft DANE-EE · SPKI · SHA-256 54883CC5F1849331E6BF5002C3129D20…
🔐 DNSSEC137ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2012297907
Primary NS (MNAME)ns1.sdu.dk
Responsible (RNAME)dns@sdu.dk
Refresh86400s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
70ms
A
43ms
MX
40ms
AAAA
65ms
TXT
206ms
CAA
39ms
HTTPS
16064ms
TLSA
138ms
SOA
0ms
MTA-STS
85ms
DNSSEC
137ms
SRV
91ms
Total
16794ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 20:32:30 16794ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-31 07:29:07 16737ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-30 05:31:21 16699ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-29 04:47:56 17409ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-28 04:35:17 5559ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-27 09:41:31 18927ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-26 09:40:17 4784ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-24 14:00:31 5326ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-23 11:08:26 5307ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-22 09:09:52 10181ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-21 09:00:32 2418ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-20 05:54:42 25643ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-19 04:44:34 8546ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-16 21:07:57 25195ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-15 14:27:51 6865ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-14 10:12:46 10720ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-12 22:45:31 7371ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-11 22:04:35 17230ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-10 17:29:53 7577ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-09 09:51:27 5232ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-05 23:36:34 7183ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-31 01:29:58 5411ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-29 03:10:04 5218ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-28 01:23:09 5206ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-27 00:52:14 3968ms 3 NS 1 A 1 MX 🔒 Secure View
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