vardegymnasium.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.198.107.117	3600s	ec2-18-198-107-117.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.192.0.0/13	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vardegymnasium-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.103.143 52.101.68.39 52.101.73.12 52.101.73.24	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 70ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 152ms

TXT Record
apple-domain-verification=sm5U7U0sSjOHgPgL
facebook-domain-verification=t2vnnr6hbqdj3uka2l7p36dif34s6q
MS=ms33072377
v=spf1 include:spf.protection.outlook.com include:u9973402.wl153.sendgrid.net ip4:83.91.91.2 -all

✉️ SPF

Policy	Record (vardegymnasium.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:u9973402.wl153.sendgrid.net ip4:83.91.91.2 -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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.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

31ms

A

43ms

MX

45ms

AAAA

47ms

TXT

152ms

CAA

35ms

HTTPS

54ms

TLSA

439ms

SOA

0ms

MTA-STS

56ms

DNSSEC

99ms

SRV

70ms

Total

1027ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:27:54	1027ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:49:12	1271ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 21:44:16	1139ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 11:45:18	1025ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 09:13:43	3048ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-22 23:23:53	998ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:02:58	1089ms	2 NS 1 A 1 MX	🔒 Secure	View