dronninglundgymnasium.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.123hotel.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.199	600s	linux14.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records3 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dronninglundgymnasium-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.29 52.101.68.39 52.101.73.22 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 150ms

TXT Record
google-site-verification=JEVm_hK9tjA9FKZ2793LNKep1sqWBYJIEpeDuWpbUwE
MS=ms65913604
v=spf1 include:spf.onlinemail.io ip4:20.16.248.199 ip4:52.174.241.161 -all

✉️ SPF

Policy	Record (dronninglundgymnasium.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io ip4:20.16.248.199 ip4:52.174.241.161 -all

📨 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

🔗 TLSA / DANE

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

🔐 DNSSEC122ms

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

🏷️ SOA0ms

Field	Value
Serial	2025121601
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

52ms

MX

29ms

AAAA

85ms

TXT

150ms

CAA

74ms

HTTPS

41ms

TLSA

386ms

SOA

0ms

MTA-STS

98ms

DNSSEC

122ms

SRV

85ms

Total

2204ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:25:19	2204ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 04:44:21	691ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 04:40:12	1589ms	2 NS 1 A 3 MX	🔒 Secure	View