bitwerk.dk

📜 Historical scan 2026-07-17 23:24:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bitwerk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch and 5 more. The zone is DNSSEC-signed and validates, 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

7 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
2	3600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
3	3600s	aspmx.l.google.com	173.194.221.27 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b	lm-in-f27.1e100.net le-in-x1b.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 135ms

TXT Record
protonmail-verification=f0572fc0c56f3d838ab849de55ec0a837ed060de

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 12:46:35

www CNAME	cname.vercel-dns.com (all on vercel-dns.com) → 66.33.60.34 76.76.21.164 (AS16509)
www vs bare domain	Same network bitwerk.dk: 76.76.21.21 (AS16509) www.bitwerk.dk: 66.33.60.34 76.76.21.164 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records 152ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

51ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 09:56:32

Field	Value
Registrar	ONE.COM A/S
Registered	2024-03-12
Expires	2027-03-11 (141d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

30ms

31ms

AAAA

30ms

TXT

135ms

CAA

30ms

HTTPS

31ms

TLSA

152ms

SOA

0ms

MTA-STS

40ms

DNSSEC

51ms

SRV

39ms

Total

1562ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 12:46:35	617ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-08 07:01:37	646ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-16 03:35:34	1082ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-25 17:55:09	4935ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-12 07:08:33	7990ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-27 17:27:20	5528ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-17 23:24:31 shown	1562ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-13 17:42:17	3546ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-22 08:05:35	10857ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-20 23:34:57	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:42:34	786ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 14:42:03	1322ms	2 NS 1 A 7 MX	🔒 Secure