jahvvs.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.199 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.xtracon.dk, backup-mx.zitcom.dk. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.199 | 3600s | linux14.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.40.199 |
| 🔶 Autoconfig | 185.21.40.199 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail3.ex2019.dk |
| TXT Record |
|---|
| v=spf1 include:sendgrid.net include:_spf.xtracon.dk -all |
| Policy | Record (jahvvs.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:sendgrid.net include:_spf.xtracon.dk -all |
| Policy | Record (_dmarc.jahvvs.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:serviceadmin@jahvvs.dk; ruf=mailto:serviceadmin@jahvvs.dk; sp=none; ri=3600 |
| www | 185.21.40.199 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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.u12997107.wl108.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12997107.wl108.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: 3/10 · 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 | 2024051001 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 13:56:52 shown | 4470ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 07:55:49 | 1675ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 18:18:51 | 599ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 00:10:15 | 857ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 21:55:22 | 867ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 06:21:20 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 15:11:52 | 1048ms | 2 NS 1 A 2 MX | ❓ Unknown |