kobborg.dk DNS records

🖥️ Nameservers4 records 38ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
199.34.228.50	3600s	pages-custom-10.weebly.com	AS27647	Weebly, Inc.	199.34.228.0/22	🇺🇸 United States	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kobborg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.39 52.101.73.12 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records3 records 134ms

TXT Record
27k83gc6ovj9gq00hk7s4msmaq
MS=ms88602461
v=spf1 ip4:212.112.140.60 ip4:212.112.140.61 ip4:212.112.140.62 a:smtp.kobborg.dk a:mail.osdata.dk include:spf.itnapps.eu include:spf.protection.outlook.com include:spf.simply.com include:mailgun.org -all

✉️ SPF

Policy	Record (kobborg.dk)
-all (hard fail)	v=spf1 ip4:212.112.140.60 ip4:212.112.140.61 ip4:212.112.140.62 a:smtp.kobborg.dk a:mail.osdata.dk include:spf.itnapps.eu include:spf.protection.outlook.com include:spf.simply.com include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.kobborg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@kobborg.dk; ruf=mailto:it@kobborg.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)

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2025121901
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

38ms

A

45ms

MX

40ms

AAAA

55ms

TXT

134ms

CAA

59ms

HTTPS

50ms

TLSA

371ms

SOA

0ms

MTA-STS

73ms

DNSSEC

82ms

SRV

71ms

Total

983ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:59:07	983ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 12:48:10	1659ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 07:59:17	912ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:01:13	2507ms	4 NS 1 A 1 MX	🔒 Secure	View