sparkron.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 11 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by sparkron-dk.u-v1.mx.microsoft. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 10 | 100 | 5061 | sipfed.online.lync.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | sip.sparkron.dk |
| TXT Record |
|---|
| _globalsign-domain-verification=7yMx0fgZTqTGIsHDhCBxQZSjhBpz5dsl_8U-ECm8sk |
| _globalsign-domain-verification=BI5gCt7KJ71Ws2MXEy7UZyIif-AhhDtR6fjzmZhiVW |
| _globalsign-domain-verification=HaGngOisaZPDAXXJ_4jqMBF0x5UQ8O0OoaOrywDmc6 |
| _globalsign-domain-verification=kgEp-xk-mWNS02SHHuP1y5ZraqsR4J-5jpZu_SHdag |
| _globalsign-domain-verification=uN11pIOMEmvadR7FpshTZgj2g37Ug8AbUqp2nXcUSf |
| _globalsign-domain-verification=VE_P4hC5FNSf3dSmakurD7RHQuXldbxetQdr6u2r8v |
| _globalsign-domain-verification=z1cnd_N9eUJz4-cctjcnTsRi_49aX9Epvrhr8CqL2f |
| /KDc0L/uDqejV3R3TgXA/NZhgMRUt2ULjm0KM50nPj8= |
| MS=F2C5D8D04B5D0B882B2283141939A32E3D705C2F |
| MS=ms84289455 |
| v=spf1 ip4:193.162.109.0/24 ip4:91.235.232.0/24 ip4:81.95.255.12 ip4:81.95.255.13 ip4:81.95.255.14 ip4:131.165.67.22 a:mail.xssmail.dk a:mailrelay.resultmaker.com include:_spf.presscloud.com include:mailmailmail.net include:spf.protection.outlook.com include:send.heysender.com ~all |
| z+KGOGtUPkdbdGL6Rr+L0kdsxoMPZWx4YG2hJ+efTEw= |
| z+KGOGtUPkdbdGL6Rr+L0v9AXvdZUPX2cKPWB4bQwl0= |
| Policy | Record (sparkron.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:193.162.109.0/24 ip4:91.235.232.0/24 ip4:81.95.255.12 ip4:81.95.255.13 ip4:81.95.255.14 ip4:131.165.67.22 a:mail.xssmail.dk a:mailrelay.resultmaker.com include:_spf.presscloud.com include:mailmailmail.net include:spf.protection.outlook.com include:send.heysender.com ~all |
| Policy | Record (_dmarc.sparkron.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:tmzqytok@ag.eu.dmarcadvisor.com; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | globalsign.com |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| www CNAME | lb-prod-p2.neos.nbs.hosting (all on nbs.hosting) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | selector1.sparkrondk.resultmaker.dkim.ngdc.net | RSA · ~2048 bit |
| s2 | selector2.sparkrondk.resultmaker.dkim.ngdc.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: 6/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026091407 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1996-11-11 |
| Expires | 2026-12-31 (74d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 09:40:17 shown | 2046ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-16 09:21:42 | 834ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 23:40:39 | 1020ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 23:23:52 | 1068ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 14:50:33 | 1937ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 12:46:21 | 1068ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 02:37:30 | 9972ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 08:07:08 | 1688ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:51:15 | 2001ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 09:10:07 | 1602ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 00:48:10 | 10606ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 16:06:28 | 1532ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 08:39:44 | 1315ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 15:42:48 | 4801ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 09:23:59 | 2967ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:45:43 | 1526ms | 4 NS 1 A 1 MX | 🔒 Secure |