allergisupport.dk is a .dk domain served by 4 nameservers (ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com and 1 more). It was registered on 23 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.sanofi-synthelabo.com | — | — | — |
| ns2.sanofi-synthelabo.com | — | — | — |
| ns3.sanofi-synthelabo.com | — | — | — |
| ns4.sanofi-synthelabo.com | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (allergisupport.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.allergisupport.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=s; aspf=s; |
| www | Exists, no address |
| www vs bare domain | Neither resolves allergisupport.dk: no address www.allergisupport.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2016030772 |
| Primary NS (MNAME) | ns1.sanofi-synthelabo.com |
| Responsible (RNAME) | gtly-domtech@sanofi.com |
| Refresh | 28800s |
| Retry | 14400s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2018-11-23 |
| Expires | 2026-11-30 (41d) |
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 |
|---|---|---|---|
| 2026-08-27 04:04:44 | 9512ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-05 21:48:46 | 748ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 23:08:21 | 767ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:23:20 shown | 420ms | 4 NS 0 A 0 MX | 🔓 Insecure |