kolbert.dk DNS records

🖥️ Nameservers4 records 57ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	kolbert-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca09::4 52.101.68.21 52.101.68.32 52.101.73.16 52.101.73.30	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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 98ms

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

📝 TXT Records2 records 217ms

TXT Record
MS=ms12383904
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kolbert.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:1db8bf85.macdaddy.dk@emea.teams.ms; ruf=mailto:1db8bf85.macdaddy.dk@emea.teams.ms; sp=none; fo=1;

📬 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)

🔐 DNSSEC215ms

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

🏷️ SOA0ms

Field	Value
Serial	2023101200
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

57ms

A

49ms

MX

48ms

AAAA

47ms

TXT

217ms

CAA

62ms

HTTPS

46ms

TLSA

337ms

SOA

0ms

MTA-STS

110ms

DNSSEC

215ms

SRV

98ms

Total

1257ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:55:12	1257ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 04:43:42	1205ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:38:22	1306ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 07:04:01	980ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 03:53:04	746ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:14:21	2416ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:19:34	1331ms	4 NS 1 A 1 MX	🔒 Secure	View