alstrom.dk

📜 Historical scan 2026-06-16 13:24:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alstrom.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 6 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.221.38.92 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by alstrom-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records   47ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk — — —
ns2.scannet2.dk — — —

🌍 A Records#

1 records   56ms

📧 MX Records#

1 records   60ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   174ms
TXT Record
brevo-code:98b7d93b2e8accecf90767b32ca903db
MS=ms91572123
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.shopfactory.io include:_custspf.one.com include:spf.mailjet.com ~all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.alstrom.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-08 18:54:13
www185.221.38.92 (AS48854) (address records, no CNAME)
www vs bare domainSame network
alstrom.dk: 185.221.38.92 (AS48854)
www.alstrom.dk: 185.221.38.92 (AS48854)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 2048 bit
s1 s1.domainkey.u50907552.wl053.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u50907552.wl053.sendgrid.net RSA · ~2048 bit

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: 9/10 · policy: ~all

  • warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

175ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

53ms
FieldValue
Serial2026032901
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-09 04:29:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-08-06
Expires2029-09-30 (1079d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
56ms
MX
60ms
AAAA
54ms
TXT
174ms
CAA
45ms
HTTPS
59ms
TLSA
166ms
SOA
53ms
MTA-STS
39ms
DNSSEC
175ms
SRV
0ms
Total
799ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-16 14:40:22 1476ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-29 00:57:37 1357ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 22:59:18 497ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-19 08:05:48 10514ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-16 13:24:28 shown 799ms 2 NS 1 A 1 MX 🔒 Secure
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