rethinkrsv.dk

📜 Historical scan 2026-08-28 10:38:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rethinkrsv.dk is a .dk domain served by 4 nameservers (ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com and 1 more). It was registered on 23 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.247.151.159 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 50ms

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 Records#

1 records 64ms

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 Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 232ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (rethinkrsv.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.rethinkrsv.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 01:33:23

www CNAME	app-euno-prod-https-redirect-001.azurewebsites.net (all on azurewebsites.net) → 13.69.228.21 (AS8075)
www vs bare domain	Different networks rethinkrsv.dk: 54.247.151.159 (AS16509) www.rethinkrsv.dk: 13.69.228.21 (AS8075) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

99ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2016030761
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#

WHOIS fetched 2026-10-06 16:39:05

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2022-05-23
Expires	2028-05-22 (575d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

64ms

61ms

AAAA

59ms

TXT

232ms

CAA

51ms

HTTPS

66ms

TLSA

194ms

SOA

0ms

MTA-STS

94ms

DNSSEC

99ms

SRV

81ms

Total

875ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 01:33:23	3120ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-26 14:13:28	9456ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-15 08:26:53	11824ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-28 10:38:26 shown	875ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 04:35:46	7935ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 15:33:16	839ms	4 NS 1 A 0 MX	🔓 Insecure