cosi.dk DNS records

🖥️ Nameservers3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.netsite.dk	185.224.16.200 2a0c:cc00:0:1648::53	ns1.netsite.dk ns1.netsite.dk	AS205206 Netsite A/S AS205206 Netsite A/S
ns2.netsite.eu	194.58.196.59 2a01:3f1:859::53	ns2.netsite.eu ns2.netsite.eu	AS8674 Netnod AB AS8674 Netnod AB
ns3.netsite.se	185.42.137.115 2a01:3f0:400::59	ns3.netsite.se ns3.netsite.se	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records

🌍

No A records found

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	cosi-dk.mail.protection.outlook.com	2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 2a01:111:f403:ca48::12 2a01:111:f403:ca48::8 52.101.103.140 52.101.68.8 52.101.73.15 52.101.73.8	mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.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	autoconfig.netsite.dk → 185.224.16.223

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 71ms

TXT Record
MS=ms38147981
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (cosi.dk)
~all (soft fail)	v=spf1 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)

🔐 DNSSEC101ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026090301
Primary NS (MNAME)	ns1.netsite.dk
Responsible (RNAME)	hostmaster@netsite.dk
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

34ms

A

25ms

MX

33ms

AAAA

25ms

TXT

71ms

CAA

27ms

HTTPS

29ms

TLSA

785ms

SOA

0ms

MTA-STS

37ms

DNSSEC

101ms

SRV

90ms

Total

1215ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 22:57:49	1215ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 01:15:45	618ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-20 11:45:28	9359ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-13 14:26:28	3776ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-08 15:24:05	9171ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-05 19:56:17	2107ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-07-23 20:46:58	1220ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-07-16 10:50:14	1488ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-07-09 02:40:01	17374ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-07-03 21:31:27	12045ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-27 00:14:20	807ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-21 20:14:44	1019ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-19 06:17:48	2730ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 22:36:24	1990ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 22:30:27	2990ms	3 NS 0 A 1 MX	🔒 Secure	View