b2bgroup.dk DNS records

🖥️ Nameservers3 records 31ms

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
89.188.72.120	3600s	vps1341.basicserver.io	AS48854	team.blue Denmark A/S	89.188.72.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	b2bgroup-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::24 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 52.101.68.15 52.101.73.12 52.101.73.155 52.101.73.30	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00306.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	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	93.191.156.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 90ms

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

📝 TXT Records4 records 81ms

TXT Record
_15fcch2q426wjhxei5xqieryii5phq1
_s95o2ynom2vjug5xdjwerkrpa4zfu2d
MS=ms25486550
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (b2bgroup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.b2bgroup.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)

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090100
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

31ms

A

37ms

MX

42ms

AAAA

30ms

TXT

81ms

CAA

39ms

HTTPS

32ms

TLSA

590ms

SOA

0ms

MTA-STS

44ms

DNSSEC

115ms

SRV

90ms

Total

1071ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-05 08:09:54	1071ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 10:05:42	1182ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 18:48:07	1113ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:08:23	923ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 18:14:08	1551ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 12:49:10	1585ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:57:11	700ms	3 NS 1 A 1 MX	🔒 Secure	View