couloir.dk DNS records

🖥️ Nameservers4 records 32ms

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
185.158.133.1	300s	lovable-app-cd-1-4.p.l5e.io	AS13335	Cloudflare, Inc.	185.158.133.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	couloir-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::10 52.101.181.156 52.101.73.1 52.101.73.153 52.101.73.30	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8
🔶 Autoconfig	93.191.156.178

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 143ms

TXT Record
google-site-verification=UzAIdH6EzP2_v8zR7ptW7vfVmCuH62QvLSLb77Od5ag
v=spf1 include:outlook.com include:spf.simply.com ~all

✉️ SPF

Policy	Record (couloir.dk)
~all (soft fail)	v=spf1 include:outlook.com include:spf.simply.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)

🔐 DNSSEC76ms

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

🏷️ SOA0ms

Field	Value
Serial	2026051100
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

32ms

A

45ms

MX

39ms

AAAA

45ms

TXT

143ms

CAA

38ms

HTTPS

39ms

TLSA

313ms

SOA

0ms

MTA-STS

66ms

DNSSEC

76ms

SRV

62ms

Total

831ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 13:47:16	831ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:58:38	1399ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 21:35:54	844ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:01:54	2087ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 05:09:42	1123ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 22:35:13	746ms	4 NS 1 A 1 MX	🔒 Secure	View