bitbyte.dk

📜 Historical scan 2026-09-30 05:33:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bitbyte.dk is a .dk domain served by 2 nameservers (javier.ns.cloudflare.com, lisa.ns.cloudflare.com). It was registered on 24 May 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.93 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bitbyte-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
javier.ns.cloudflare.com	108.162.195.204 162.159.44.204 172.64.35.204 2606:4700:58::a29f:2ccc 2803:f800:50::6ca2:c3cc 2a06:98c1:50::ac40:23cc	javier.ns.cloudflare.com javier.ns.cloudflare.com javier.ns.cloudflare.com javier.ns.cloudflare.com javier.ns.cloudflare.com javier.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.93	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.155.105	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	bitbyte-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::6 52.101.103.162 52.101.68.39 52.101.91.159 52.101.91.162	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr04cu00302.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	172.67.155.105

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9b69	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5a5d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.93,172.67.155.105 ech=AEX+DQBB/wAgACAj8q7MWDQP7Ivd04Bdiof5uGPJmpXhw51KpzejfcSnVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9b69,2606:4700:3036::6815:5a5d

📝 TXT Records#

2 records 178ms

TXT Record
MS=ms62887648
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bitbyte.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 18:26:54

www	Exists, no address
www vs bare domain	www does not resolve bitbyte.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::ac43:9b69 2606:4700:3036::6815:5a5d (AS13335) www.bitbyte.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2416181703
Primary NS (MNAME)	javier.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 17:58:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-05-24
Expires	2028-05-31 (591d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
apsara.dk	Punktum dk A/S (direct)
bayon.dk	Punktum dk A/S (direct)
cloudmonitor.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

32ms

36ms

AAAA

42ms

TXT

178ms

CAA

31ms

HTTPS

34ms

TLSA

385ms

SOA

31ms

MTA-STS

61ms

DNSSEC

126ms

SRV

72ms

Total

1157ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 18:20:11	2902ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 17:30:42	1551ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 05:33:00 shown	1157ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 04:09:18	1219ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 22:06:34	1099ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 19:52:19	2326ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-14 06:10:42	4660ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 20:39:17	1801ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 06:36:42	9793ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-02 23:43:18	9530ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-01 03:35:58	1804ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 20:21:04	3691ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 16:34:44	2842ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-13 12:45:45	1305ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 01:09:55	991ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 14:41:27	685ms	2 NS 2 A 1 MX	🔒 Secure