ringekostskole.dk DNS records

🖥️ Nameservers4 records 186ms

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 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.65	3600s	linux69.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 166ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ringekostskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::e 52.101.68.25 52.101.73.15 52.101.73.28 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	94.231.103.65

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 370ms

TXT Record
google-site-verification=Dv9LaHvDxesA8K-hIZeIPmWSttdqgJePHkrAnsN0RAA
MS=ms29568507
v=spf1 mx a:mail.ringekostskole.dk a:mail.rkrnet.dk a:webmail.rkrnet.dk ip4:87.116.35.131 ip4:185.158.61.72 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ringekostskole.dk)
-all (hard fail)	v=spf1 mx a:mail.ringekostskole.dk a:mail.rkrnet.dk a:webmail.rkrnet.dk ip4:87.116.35.131 ip4:185.158.61.72 include:spf.protection.outlook.com -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)

🔐 DNSSEC355ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081102
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

186ms

A

188ms

MX

166ms

AAAA

170ms

TXT

370ms

CAA

173ms

HTTPS

201ms

TLSA

309ms

SOA

0ms

MTA-STS

258ms

DNSSEC

355ms

SRV

279ms

Total

3662ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 13:41:48	3662ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 08:50:33	718ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:30:25	4971ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:13:17	1164ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:11:21	779ms	4 NS 1 A 1 MX	🔒 Secure	View