b2bbyg.dk

📜 Historical scan 2026-06-25 03:36:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b2bbyg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.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 93.191.156.97 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.97	3600s	linux219.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	172.217.76.26 192.178.223.26 192.178.223.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	yulhrp-in-f26.1e100.net yulhrs-in-f26.1e100.net yulhrs-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.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 AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.97
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 94ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 155ms

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

✉️ SPF#

Policy	Record (b2bbyg.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.b2bbyg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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#

69ms

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

🏷️ SOA#

88ms

Field	Value
Serial	2025090607
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 17:12:18

Field	Value
Registrar	ONE.COM A/S
Registered	2025-09-06
Expires	2027-09-05 (322d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

28ms

33ms

AAAA

35ms

TXT

155ms

CAA

42ms

HTTPS

62ms

TLSA

92ms

SOA

88ms

MTA-STS

87ms

DNSSEC

69ms

SRV

94ms

Total

704ms

🕐 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	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 shown	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