reflective.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.45 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.45 | 3600s | linux15.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:u8526308.wl059.sendgrid.net include:_spf.google.com include:spf.simply.com ~all |
| Policy | Record (reflective.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:u8526308.wl059.sendgrid.net include:_spf.google.com include:spf.simply.com ~all |
| Policy | Record (_dmarc.reflective.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:support@reflective.dk |
| www | 185.21.41.45 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u8526308.wl059.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8526308.wl059.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.
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 | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 21:08:59 | 1492ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-09 10:23:50 shown | 518ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 15:03:13 | 1057ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-30 14:55:22 | 590ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-02 02:21:15 | 748ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-26 21:22:02 | 806ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 02:51:25 | 741ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-23 12:36:55 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 12:24:19 | 6557ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-20 23:20:27 | 1142ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 13:40:20 | 795ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 15:13:59 | 801ms | 4 NS 1 A 5 MX | 🔒 Secure |