kr3o.dk DNS records

🖥️ Nameservers2 records 151ms

Nameserver	IP addresses	PTR	ASN / ISP
alla.ns.cloudflare.com	108.162.192.62 172.64.32.62 173.245.58.62 2606:4700:50::adf5:3a3e 2803:f800:50::6ca2:c03e 2a06:98c1:50::ac40:203e	alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	300s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kr3o-dk.mail.protection.outlook.com	2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.32 52.101.73.123 52.101.73.126	mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am8pr83cu00106.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)1 records 93ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	300s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 194ms

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

📝 TXT Records1 records 318ms

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

✉️ SPF

Policy	Record (kr3o.dk)
-all (hard 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)

🔐 DNSSEC282ms

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

🏷️ SOA0ms

Field	Value
Serial	2413450030
Primary NS (MNAME)	alla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

151ms

A

103ms

MX

74ms

AAAA

93ms

TXT

318ms

CAA

140ms

HTTPS

69ms

TLSA

815ms

SOA

0ms

MTA-STS

170ms

DNSSEC

282ms

SRV

194ms

Total

2058ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 07:38:44	2058ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 15:32:12	1605ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 18:12:14	1494ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 10:44:56	1548ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:26:06	3352ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:44:19	1218ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:25:14	3131ms	2 NS 1 A 1 MX	🔒 Secure	View