kursuscentersyd.dk DNS records

🖥️ Nameservers2 records 121ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.esis.dk	185.19.134.2	ns1.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk	185.19.134.3	ns2.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle

🌍 A Records1 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.23.177.99	3600s	—	AS47527	DLX A/S	178.23.176.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kursuscentersyd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 52.101.103.143 52.101.68.5 52.101.73.11 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.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.bcsyd.dk → 185.19.134.13

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 313ms

TXT Record
MS=ms87640435
v=spf1 ip4:185.19.134.13 include:spf.esis.dk include:spf.mcb.dk ~all

✉️ SPF

Policy	Record (kursuscentersyd.dk)
~all (soft fail)	v=spf1 ip4:185.19.134.13 include:spf.esis.dk include:spf.mcb.dk ~all

📨 DMARC

Policy	Record (_dmarc.kursuscentersyd.dk)
p=reject	v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;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

🔗 TLSA / DANE

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

🔐 DNSSEC218ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	397
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

121ms

A

104ms

MX

96ms

AAAA

135ms

TXT

313ms

CAA

78ms

HTTPS

104ms

TLSA

1042ms

SOA

0ms

MTA-STS

119ms

DNSSEC

218ms

SRV

169ms

Total

2062ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 17:44:41	2062ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 12:44:03	1307ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 00:31:35	951ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 18:56:07	1289ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 23:35:28	9488ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 20:27:13	6518ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 20:20:39	2070ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 15:04:34	1288ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 11:01:11	1445ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 23:15:00	3619ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 19:12:54	3205ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 03:12:36	8208ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 22:22:21	1258ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 21:20:52	1387ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 17:16:00	5946ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 01:56:35	1689ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 21:42:25	1944ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:35:25	3625ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 04:33:44	743ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 08:36:24	1104ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 19:56:27	1274ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:09:40	4697ms	2 NS 1 A 1 MX	🔒 Secure	View