byte.dk DNS records

🖥️ Nameservers2 records 97ms

Nameserver	IP addresses	PTR	ASN / ISP
arushi.ns.cloudflare.com	108.162.194.61 162.159.38.61 172.64.34.61 2606:4700:50::a29f:263d 2803:f800:50::6ca2:c23d 2a06:98c1:50::ac40:223d	arushi.ns.cloudflare.com arushi.ns.cloudflare.com arushi.ns.cloudflare.com arushi.ns.cloudflare.com arushi.ns.cloudflare.com arushi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
chance.ns.cloudflare.com	108.162.195.33 162.159.44.33 172.64.35.33 2606:4700:58::a29f:2c21 2803:f800:50::6ca2:c321 2a06:98c1:50::ac40:2321	chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 112ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byte-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.32 52.101.68.5 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 52.98.149.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 155ms

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

📝 TXT Records1 records 355ms

TXT Record
v=spf1 mx ip4:87.54.10.114 ip4:185.93.195.44 ip4:185.93.193.67 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (byte.dk)
~all (soft fail)	v=spf1 mx ip4:87.54.10.114 ip4:185.93.195.44 ip4:185.93.193.67 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)

🔐 DNSSEC278ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413057147
Primary NS (MNAME)	arushi.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

97ms

A

114ms

MX

112ms

AAAA

138ms

TXT

355ms

CAA

124ms

HTTPS

135ms

TLSA

602ms

SOA

0ms

MTA-STS

985ms

DNSSEC

278ms

SRV

155ms

Total

3330ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 19:35:24	3330ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-23 19:28:20	3875ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-22 19:21:49	9548ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-20 18:53:11	10638ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-13 09:55:21	4661ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-27 16:18:27	1809ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-05 01:33:25	2158ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-05 01:32:57	2669ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 11:43:00	12490ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 21:04:01	1226ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 18:49:29	1938ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 18:41:16	4157ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 18:30:52	509ms	2 NS 0 A 1 MX	🔓 Insecure	View