frhavn-gym.dk DNS records

🖥️ Nameservers4 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.253	3600s	vm1378.enterprisecloud.nu	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	frhavngym-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 52.101.68.39 52.101.73.126 52.101.73.15 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00203.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

🔌 SRV Records1 records 72ms

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

📝 TXT Records5 records 176ms

TXT Record
inst=Frederikshavn Gymnasium og HF Kursus
MS=ms31179685
n32fp27db8z280y8m2g929zsj1763zsy
uvmid=813012
v=spf1 include:spf.protection.outlook.com include:spfinclude.signflow.dk include:email.freshdesk.com ip4:93.191.155.253 -all

✉️ SPF

Policy	Record (frhavn-gym.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spfinclude.signflow.dk include:email.freshdesk.com ip4:93.191.155.253 -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)

🔐 DNSSEC151ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

77ms

MX

40ms

AAAA

50ms

TXT

176ms

CAA

49ms

HTTPS

51ms

TLSA

426ms

SOA

0ms

MTA-STS

59ms

DNSSEC

151ms

SRV

72ms

Total

1108ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:57:33	1108ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 17:37:53	9210ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:53:34	665ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:24:56	910ms	4 NS 1 A 1 MX	🔒 Secure	View