multi-tech.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 July 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.236.30 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by multi-tech-dk.mx1.comendosystems.com, multi-tech-dk.mx2.comendosystems.net. 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 |
|---|---|---|---|---|---|---|---|
| 91.229.236.30 | 600s | hosting.merkurnord.dk | AS215686 | Edelskjold Holding ApS | 91.229.236.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 1800s | multi-tech-dk.mx1.comendosystems.com | 192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0 |
mx41.electric.net gw2-1535.security.comendo.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 1800s | multi-tech-dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| TXT Record |
|---|
| v=spf1 ip4:89.239.224.98 ip4:5.186.17.86 ip4:5.186.17.82 ip4:176.20.70.46 ip4:5.103.227.178 include:spf.comendosystems.com include:spf.minuba.dk include:spf.protection.outlook.com -all |
| Policy | Record (multi-tech.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:89.239.224.98 ip4:5.186.17.86 ip4:5.186.17.82 ip4:176.20.70.46 ip4:5.103.227.178 include:spf.comendosystems.com include:spf.minuba.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.multi-tech.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:systemrapporter@multi-tech.dk; ruf=mailto:systemrapporter@multi-tech.dk |
| www | 91.229.236.30 (AS215686) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u19964708.wl209.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19964708.wl209.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: 5/10 · 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 | 2026070601 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2005-07-16 |
| Expires | 2027-07-31 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-07-06 22:18:45 shown | 1231ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:30:28 | 929ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 07:28:26 | 5561ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 05:34:27 | 1197ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 11:30:10 | 990ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 02:55:39 | 1421ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 02:52:45 | 923ms | 2 NS 1 A 2 MX | 🔒 Secure |