alderslyst-elektro.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.238 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp1.spamfilteronline.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.95.249.238 | 1440s | dw-d105.dw-mgmt.lan | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 1440s | smtp1.spamfilteronline.com | 94.18.239.13 | smtp1.spamfilteronline.com | AS31027 GlobalConnect A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.alderslyst-elektro.dk |
| TXT Record |
|---|
| v=spf1 a:mail.alderslyst-elektro.dk include:spf.dynamicweb-cms.com ip4:217.198.210.186/29 ip4:109.202.138.32/27 ip4:94.18.239.0/27 ip4:103.2.142.137 ip4:93.163.134.210 -all |
| Policy | Record (alderslyst-elektro.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.alderslyst-elektro.dk include:spf.dynamicweb-cms.com ip4:217.198.210.186/29 ip4:109.202.138.32/27 ip4:94.18.239.0/27 ip4:103.2.142.137 ip4:93.163.134.210 -all |
| Policy | Record (_dmarc.alderslyst-elektro.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@alderslyst-elektro.dk; ruf=mailto:reports@alderslyst-elektro.dk; fo=1 |
| www CNAME | alderslyst-elektro.dk (all on alderslyst-elektro.dk) → 81.95.249.238 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| mail._domainkey.decentra.net | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u1177162.wl163.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1177162.wl163.sendgrid.net | RSA · ~1024 bit below 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.
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-01-16 |
| Expires | 2027-01-31 (103d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 00:50:13 shown | 3138ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 15:17:25 | 1433ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 19:41:47 | 2853ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 09:50:39 | 591ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 16:52:17 | 575ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:22:28 | 651ms | 2 NS 1 A 1 MX | 🔒 Secure |