reka.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
aurora.ns.cloudflare.com	108.162.194.110 162.159.38.110 172.64.34.110 2606:4700:50::a29f:266e 2803:f800:50::6ca2:c26e 2a06:98c1:50::ac40:226e	aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leo.ns.cloudflare.com	108.162.195.241 162.159.44.241 172.64.35.241 2606:4700:58::a29f:2cf1 2803:f800:50::6ca2:c3f1 2a06:98c1:50::ac40:23f1	leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.244.13	300s	dcms-d557.aar0.dk.hostnordic.com	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	reka-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 52.101.181.153 52.101.68.12 52.101.68.3 52.101.73.155	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 92ms

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

📝 TXT Records2 records 181ms

TXT Record
23atcrujsjqjq65stvd59ncv9j
v=spf1 mx ip4:62.242.144.50 ip4:80.63.55.105 ip4:185.66.1.20 include:spf.protection.outlook.com include:spf.comendosystems.com a:smtp.bbsyd.dk a:marsvin.dynamicsystems.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (reka.dk)
-all (hard fail)	v=spf1 mx ip4:62.242.144.50 ip4:80.63.55.105 ip4:185.66.1.20 include:spf.protection.outlook.com include:spf.comendosystems.com a:smtp.bbsyd.dk a:marsvin.dynamicsystems.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.reka.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rf=afrf; pct=100; ri=86400

📬 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)

🔐 DNSSEC2063ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2409503719
Primary NS (MNAME)	aurora.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

55ms

A

52ms

MX

52ms

AAAA

34ms

TXT

181ms

CAA

57ms

HTTPS

54ms

TLSA

592ms

SOA

0ms

MTA-STS

74ms

DNSSEC

2063ms

SRV

92ms

Total

3010ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:07:27	3010ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 20:25:09	1527ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 12:26:28	1442ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 11:14:02	5753ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 07:35:32	2732ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-21 21:12:43	927ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:39:56	3768ms	2 NS 1 A 1 MX	🔓 Insecure	View