b2bbyg.dk DNS records

🖥️ Nameservers3 records 44ms

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 Records1 records 37ms

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 Records1 records 424ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	172.253.130.27 172.253.152.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c20::1a 2a00:1450:4010:c22::1b 64.233.161.26 64.233.161.27 64.233.162.27	yulppbn-in-f27.1e100.net yulpptr-in-f27.1e100.net lh-in-x1a.1e100.net lh-in-f26.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net yulppbn-in-f26.1e100.net yulpptr-in-f27.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.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 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 Records1 records 64ms

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

📝 TXT Records2 records 86ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC162ms

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

🏷️ SOA56ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

37ms

MX

424ms

AAAA

55ms

TXT

86ms

CAA

42ms

HTTPS

35ms

TLSA

57ms

SOA

56ms

MTA-STS

70ms

DNSSEC

162ms

SRV

64ms

Total

1404ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 10:30:11	1404ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 03:36:32	704ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 18:46:45	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:57:31	654ms	3 NS 1 A 1 MX	🔒 Secure	View