seresto.dk

📜 Historical scan 2026-06-17 13:39:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seresto.dk is a .dk domain served by 4 nameservers (ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.33.139.32 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is DNSSEC-signed but currently fails validation, 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 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ha1.markmonitor.zone	192.174.68.5 2001:67c:1bc::5	ha1.markmonitor.zone ha1.markmonitor.zone	AS1921 ipcom GmbH AS1921 ipcom GmbH
ha2.markmonitor.zone	162.219.54.170 2620:10a:80eb::6b	ha2.markmonitor.zone ha2.markmonitor.zone	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ha3.markmonitor.zone	176.97.158.5 2001:67c:10b8::5	ha3.markmonitor.zone ha3.markmonitor.zone	AS207021 ipcom GmbH AS1921 ipcom GmbH
ha4.markmonitor.zone	162.219.55.170 2620:10a:80ec::6b	ha4.markmonitor.zone ha4.markmonitor.zone	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records#

1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.33.139.32	—	aeedc42b70c898c66.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	3.33.128.0/17	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.seresto.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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 2026-10-19 11:58:41

www	3.33.139.32 (AS16509) (address records, no CNAME)
www vs bare domain	Same network seresto.dk: 3.33.139.32 (AS16509) www.seresto.dk: 3.33.139.32 (AS16509)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

164ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'seresto.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

90ms

Field	Value
Serial	2023040611
Primary NS (MNAME)	ha1.markmonitor.zone
Responsible (RNAME)	hostmaster@markmonitor.com
Refresh	86400s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	172800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

75ms

67ms

AAAA

64ms

TXT

334ms

CAA

87ms

HTTPS

77ms

TLSA

146ms

SOA

90ms

MTA-STS

116ms

DNSSEC

164ms

SRV

0ms

Total

1785ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 05:58:02	657ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-06 11:40:00	1589ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-24 23:12:29	2449ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-24 18:24:11	2199ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-23 04:03:56	760ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 13:39:11 shown	1785ms	4 NS 1 A 0 MX	⚠️ Bogus