bsbsystems.dk DNS records

🖥️ Nameservers3 records 219ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.instradns.com	75.2.6.34	aef93cd39153ffbac.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns2.instradns.com	75.2.85.37	a9bf3e392db71e4d0.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns3.instradns.com	99.83.188.20	aef93cd39153ffbac.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.

🌍 A Records1 records 155ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.50.252.65	86400s	ip65.ip-198-50-252.net	AS16276	OVH SAS	198.50.128.0/17	🇨🇦 Canada	—

📧 MX Records2 records 226ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	eu-smtp-inbound-1.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited
10	86400s	eu-smtp-inbound-2.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 273ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 588ms

TXT Record
0ed1fe018aaa09b94e2a524331a211a9d1f10faa33
duo_sso_verification=s86C2kJPWNxtAc1R4bQoRgiLCEnKTNPPXxsqe9bUbL9euuAVdn7j2mAXdMohiYNd
MS=ms48551005
v=spf1 ip4:159.135.237.82 include:_netblocks.mimecast.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org ~all

✉️ SPF

Policy	Record (bsbsystems.dk)
~all (soft fail)	v=spf1 ip4:159.135.237.82 include:_netblocks.mimecast.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org ~all

📨 DMARC

Policy	Record (_dmarc.bsbsystems.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:ff4478e23279383@rep.dmarcanalyzer.com; ruf=mailto:ff4478e23279383@for.dmarcanalyzer.com; fo=1;

📬 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)

🔐 DNSSEC301ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA137ms

Field	Value
Serial	2017072101
Primary NS (MNAME)	ns1.instradns.com
Responsible (RNAME)	root@instra.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

219ms

A

155ms

MX

226ms

AAAA

142ms

TXT

588ms

CAA

220ms

HTTPS

167ms

TLSA

437ms

SOA

137ms

MTA-STS

249ms

DNSSEC

301ms

SRV

273ms

Total

2185ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-27 14:56:27	2185ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 17:25:02	1096ms	3 NS 1 A 2 MX	🔓 Insecure	View