bssbooks.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.192.21.145	300s	—	AS3292	TDC Holding A/S	194.192.0.0/16	🇩🇰 Denmark	Brabrand

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	bssbooks-dk.u-v1.mx.microsoft	2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.39 52.101.68.5 52.101.73.15 52.101.73.28	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 86ms

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

📝 TXT Records5 records 234ms

TXT Record
ILmwX2Jm+s0aZvfGCo04V0YuUielO9oMLscJyAqFvHEYA8fJDbae3Vb83S5GtbaEcBY+WY+Uow+pYtMbWt6+Hg==
MS=ms25488326TTL3600
v=msv1t=ACEC4DAA-8F71-4B7A-BF61-05179ED7BA3D
v=spf1 include:spf.au.dk -all
VWcT0mdw5iUiwRGvjTPZ8ph6C7Mqo/kzkV2uyn5Q+1jOsxxQN0/SVH0Nek+VEEC7ipwtxdBjbxdL5CHjSTUBYA==

✉️ SPF

Policy	Record (bssbooks.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC

Policy	Record (_dmarc.bssbooks.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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 / DANE6 records 77ms

Service / Owner	Type	Cert association
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.bssbooks-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…

🔐 DNSSEC78ms

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

🏷️ SOA57ms

Field	Value
Serial	67
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

44ms

MX

44ms

AAAA

53ms

TXT

234ms

CAA

43ms

HTTPS

51ms

TLSA

77ms

SOA

57ms

MTA-STS

74ms

DNSSEC

78ms

SRV

86ms

Total

787ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:27:20	787ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:47:21	2368ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:46:31	3470ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:30:32	716ms	2 NS 1 A 1 MX	🔓 Insecure	View