by-kvist.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 8 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.236.86.109 is hosted by WorldStream B.V. (AS49981) in The Netherlands. Mail is handled by mx01.qboxmail.com, mx02.qboxmail.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 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 |
|---|---|---|---|---|---|---|---|
| 109.236.86.109 | 600s | 109-236-86-109.hosted-by-worldstream.net | AS49981 | WorldStream B.V. | 109.236.80.0/20 | 🇳🇱 The Netherlands | Naaldwijk |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx01.qboxmail.com | 185.97.217.85 | mx01.cbsolt.net | AS21056 Vianova S.p.A |
| 20 | 3600s | mx02.qboxmail.com | 185.97.217.87 | mx02.cbsolt.net | AS21056 Vianova S.p.A |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.qboxmail.com → 185.97.217.16 |
| 🔶 Autoconfig | autodiscover.qboxmail.com → 185.97.217.16 |
| TXT Record |
|---|
| klaviyo-site-verification=XG9Dt7 |
| v=spf1 include:spf.simply.com include:spf.cbsolt.net include:mailgun.org include:spf.emailpnl.com ~all |
| Policy | Record (by-kvist.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com include:spf.cbsolt.net include:mailgun.org include:spf.emailpnl.com ~all |
| Policy | Record (_dmarc.by-kvist.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:e1670fc9@dmarc.mailgun.org,mailto:a5ecc396@inbox.ondmarc.com,mailto:dmarc@robot.simply.com; ruf=mailto:e1670fc9@dmarc.mailgun.org,mailto:a5ecc396@inbox.ondmarc.com,mailto:dmarc@robot.simply.com; |
| www | 109.236.86.109 (AS49981) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 |
DNS lookups: 8/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.by-kvist.dk | by-kvist.dk.611a354d840aab0a.dcv.cloudflare.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026073005 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-03-08 |
| Expires | 2027-03-31 (155d) |
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 22:39:40 | 935ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 11:08:40 | 1361ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 10:48:19 | 1180ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-03 16:12:58 shown | 1302ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 12:48:51 | 1713ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 23:24:20 | 3387ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 17:51:05 | 6363ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 23:53:34 | 667ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:04:11 | 4415ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:02:34 | 402ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:00:53 | 747ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:00:13 | 1548ms | 4 NS 1 A 1 MX | 🔒 Secure |