understandingttp.dk DNS records

🖥️ Nameservers4 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sanofi-synthelabo.com	205.251.198.127 2600:9000:5306:7f00::1	ns-1663.awsdns-15.co.uk ns-1663.awsdns-15.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns2.sanofi-synthelabo.com	205.251.196.144 2600:9000:5304:9000::1	ns-1168.awsdns-18.org ns-1168.awsdns-18.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns3.sanofi-synthelabo.com	205.251.193.224 2600:9000:5301:e000::1	ns-480.awsdns-60.com ns-480.awsdns-60.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns4.sanofi-synthelabo.com	205.251.194.58 2600:9000:5302:3a00::1	ns-570.awsdns-07.net ns-570.awsdns-07.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records1 records 138ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.247.151.159	900s	ec2-54-247-151-159.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.244.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	mx.mailprotect.be	178.208.39.140 178.208.39.141 178.208.39.142 178.208.39.143	mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be	AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV
50	900s	mx.backup.mailprotect.be	178.208.39.140 178.208.39.141 178.208.39.142 178.208.39.143	mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be mx.mailprotect.be	AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV AS34762 Combell NV

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mailprotect.be → 83.217.77.175
🔶 Autoconfig	autoconfig.mailprotect.be → 83.217.77.175

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 187ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	0	1443	autodiscover-s.mailprotect.be
_imaps._tcp	1	0	1993	imap.mailprotect.be

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.understandingttp.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:093b247be21b620@rep.dmarcanalyzer.com; ruf=mailto:093b247be21b620@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)

🔐 DNSSEC169ms

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

🏷️ SOA58ms

Field	Value
Serial	2016030782
Primary NS (MNAME)	ns1.sanofi-synthelabo.com
Responsible (RNAME)	gtly-domtech@sanofi.com
Refresh	28800s
Retry	14400s
Expire	3600000s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

88ms

A

138ms

MX

41ms

AAAA

34ms

TXT

253ms

CAA

52ms

HTTPS

78ms

TLSA

142ms

SOA

58ms

MTA-STS

80ms

DNSSEC

169ms

SRV

187ms

Total

985ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-19 03:10:24	985ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 20:56:13	997ms	4 NS 1 A 2 MX	🔓 Insecure	View