grundskoletilbusiness.dk DNS records

🖥️ Nameservers2 records 28ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.70	3600s	linux48.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	grundskoletilbusiness-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 2a01:111:f403:ca3c::6 52.101.68.39 52.101.73.1 52.101.73.30 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00306.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.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 154ms

TXT Record
MS=ms89956810
v=spf1 ip4:185.19.134.103 include:spf.esis.dk -all

✉️ SPF

Policy	Record (grundskoletilbusiness.dk)
-all (hard fail)	v=spf1 ip4:185.19.134.103 include:spf.esis.dk -all

📨 DMARC

Policy	Record (_dmarc.grundskoletilbusiness.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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	314
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster@esis.dk
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

28ms

A

28ms

MX

27ms

AAAA

25ms

TXT

154ms

CAA

27ms

HTTPS

28ms

TLSA

857ms

SOA

0ms

MTA-STS

44ms

DNSSEC

99ms

SRV

50ms

Total

1405ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:04:50	1405ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 09:06:02	2852ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:35:32	1174ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 07:30:22	4378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 00:39:17	10104ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 00:36:40	7829ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 06:46:11	1329ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 12:23:58	3759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 07:29:52	1273ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 00:21:50	1212ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 04:00:22	2111ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 01:02:11	3569ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 22:49:28	1334ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 06:46:51	1761ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 00:29:44	1523ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 14:35:32	1289ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 04:07:30	5676ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 22:46:26	1337ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 13:49:58	6375ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:50:32	1863ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:28:18	1032ms	2 NS 1 A 1 MX	🔒 Secure	View