alstom.dk

📜 Historical scan 2026-06-16 13:24:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alstom.dk is a .dk domain served by 3 nameservers (ns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx3.nameshield.com, mx4.nameshield.net. 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#

3 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns2.observatoiredesmarques.fr	—	—	—
ns3.nameshield.net	—	—	—
obs.ns1.fr	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mx3.nameshield.com	81.92.84.191	mx3.perf1.com	AS20756 Nameshield SAS
10	—	mx4.nameshield.net	81.92.81.40	mx4.nameshield.net	AS20756 Nameshield SAS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 345ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.alstom.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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 2026-10-09 01:17:20

www CNAME	saspresence.perf1.com (all on perf1.com) → 185.65.58.55 81.92.91.56 (AS20756)
www vs bare domain	Only www resolves alstom.dk: no address www.alstom.dk: 185.65.58.55 81.92.91.56 (AS20756) (all like this)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

180ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

65ms

Field	Value
Serial	2024021613
Primary NS (MNAME)	obs.ns1.fr
Responsible (RNAME)	technical@nameshield.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

68ms

65ms

64ms

AAAA

64ms

TXT

345ms

CAA

107ms

HTTPS

63ms

TLSA

37ms

SOA

65ms

MTA-STS

88ms

DNSSEC

180ms

SRV

0ms

Total

695ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:06:33	914ms	3 NS 0 A 2 MX	🔓 Insecure
2026-09-23 15:38:26	1124ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-27 00:56:27	1405ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-16 13:24:32 shown	695ms	3 NS 0 A 2 MX	🔓 Insecure