halsnaesskolen.dk DNS records

🖥️ Nameservers4 records 269ms

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 239ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.137	3600s	linux126.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 224ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	halsnaesskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.18 52.101.68.25 52.101.73.16	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.56
🔶 Autoconfig	94.231.103.137

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 277ms

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

📝 TXT Records3 records 779ms

TXT Record
MS=ms94676136
P-pbSQjrydgD
v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.permido.com -all

✉️ SPF

Policy	Record (halsnaesskolen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.permido.com -all

📨 DMARC

Policy	Record (_dmarc.halsnaesskolen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:itsupporten@halsnaesskolen.dk;

📬 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)

🔐 DNSSEC674ms

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

🏷️ SOA187ms

Field	Value
Serial	2025042300
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

269ms

A

239ms

MX

224ms

AAAA

196ms

TXT

779ms

CAA

220ms

HTTPS

227ms

TLSA

1137ms

SOA

187ms

MTA-STS

242ms

DNSSEC

674ms

SRV

277ms

Total

3271ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 08:05:05	3271ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:05:50	2938ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:52:21	2645ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:49:38	1558ms	4 NS 1 A 1 MX	🔒 Secure	View