b2bbyg.dk

📜 Historical scan 2026-09-27 07:34:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b2bbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.244 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by smtp.google.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 36ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.244	3600s	webcluster2.webpod18-cph3.g1i.one	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.251.1.26 142.251.1.27 172.253.130.27 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b 2a00:1450:4010:c20::1a 64.233.162.27	la-in-f26.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f27.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:80a2:309e:bc1e:76ef	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 164ms

TXT Record
google-site-verification=IwvGpxbZZjk8oKYRE1U-FQdhW1oT5UV8DKUfYM04BYc
v=spf1 include:_spf.google.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (b2bbyg.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:_custspf.one.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 2026-10-10 16:46:20

www	46.30.215.244 2a02:2350:5:108:80a2:309e:bc1e:76ef (AS51468) (address records, no CNAME)
www vs bare domain	Same network b2bbyg.dk: 46.30.215.244 2a02:2350:5:108:80a2:309e:bc1e:76ef (AS51468) www.b2bbyg.dk: 46.30.215.244 2a02:2350:5:108:80a2:309e:bc1e:76ef (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
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 2026-10-10 17:12:18

Field	Value
Registrar	ONE.COM A/S
Registered	2025-09-06
Expires	2027-09-05 (320d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

41ms

42ms

AAAA

42ms

TXT

164ms

CAA

43ms

HTTPS

39ms

TLSA

90ms

SOA

0ms

MTA-STS

47ms

DNSSEC

74ms

SRV

189ms

Total

629ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:46:20	1158ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 07:34:15 shown	629ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 13:02:22	962ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 09:01:17	632ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 10:30:11	1404ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 03:36:32	704ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-21 18:46:45	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:57:31	654ms	3 NS 1 A 1 MX	🔒 Secure