byte.dk

📜 Historical scan 2026-08-20 18:53:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byte.dk is a .dk domain served by 2 nameservers (arushi.ns.cloudflare.com, chance.ns.cloudflare.com). It was registered on 5 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by byte-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 92ms

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 Records#

1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byte-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.10 52.101.68.36 52.101.73.16	mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 8100ms

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

📝 TXT Records#

1 records 344ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 03:44:43

www	NXDOMAIN
www vs bare domain	Neither resolves byte.dk: no address www.byte.dk: no address
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
mail	—	RSA · ~2048 bit
selector1	selector1-byte-dk._domainkey.wmiwmi.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byte.dk	22Z14ycw-wfcDcINLsfSQNdEKUXBff--FKW9z5M7rNY
TXT	_acme-challenge.byte.dk	y8Mc641lC_r_Hx23nSJtMw4duwepictEEDFobB1tHnk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

252ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412688640
Primary NS (MNAME)	arushi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 04:00:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-01-05
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

75ms

95ms

AAAA

90ms

TXT

344ms

CAA

108ms

HTTPS

65ms

TLSA

778ms

SOA

0ms

MTA-STS

923ms

DNSSEC

252ms

SRV

8100ms

Total

10638ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 03:44:43	1379ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-06 22:24:51	3893ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 21:22:38	1284ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-29 21:11:24	714ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-17 16:19:22	11389ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-05 20:22:01	1677ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-24 19:35:24	3330ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-23 19:28:20	3875ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-22 19:21:49	9548ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-20 18:53:11 shown	10638ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-13 09:55:21	4661ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-27 16:18:27	1809ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-05 01:33:25	2158ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-05 01:32:57	2669ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-03 11:43:00	12490ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-22 21:04:01	1226ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 18:49:29	1938ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 18:41:16	4157ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 18:30:52	509ms	2 NS 0 A 1 MX	🔓 Insecure