netbyggemarked.dk is a .dk domain served by 2 nameservers (candy.ns.cloudflare.com, kurt.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.4.174 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by netbyggemarked-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.26.4.174 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.5.174 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.70.80 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:4ae | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:5ae | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:4650 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.4.174,104.26.5.174,172.67.70.80 ipv6hint=2606:4700:20::681a:4ae,2606:4700:20::681a:5ae,2606:4700:20::ac43:4650 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 4t1xcykfEbK5pF8/bk3iqGVqhYuLoteTxxJR+agOcffBUUV1qVdngLGxbcAheIbwS1UYxZIEvykAJP5OrKsEBg== |
| ca3-39e858a04fbc435c9756eba4cca6df89 |
| google-site-verification=P6_MflFK4hGiOK3mjaOzuw-2gYE07vvLV8wLh2Ajf7w |
| MS=ms17944664 |
| v=spf1 ip4:93.165.154.115 ip4:178.23.241.246 ip4:46.36.211.197 ip4:193.106.122.86/32 include:_spf.powerhosting.dk include:servers.mcsv.net include:spf.comendosystems.com include:sendgrid.net include:spf.protection.outlook.com include:emsd1.com mx -all |
| Policy | Record (netbyggemarked.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:93.165.154.115 ip4:178.23.241.246 ip4:46.36.211.197 ip4:193.106.122.86/32 include:_spf.powerhosting.dk include:servers.mcsv.net include:spf.comendosystems.com include:sendgrid.net include:spf.protection.outlook.com include:emsd1.com mx -all |
| Policy | Record (_dmarc.netbyggemarked.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:5fb26dda8e541@ag.dmarcly.com,mailto:92e84b29@mxtoolbox.dmarc-report.com; ruf=mailto:5fb26dda8e541@fo.dmarcly.com,mailto:92e84b29@forensics.dmarc-report.com; sp=none |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.26.4.174 104.26.5.174 172.67.70.80 2606:4700:20::681a:4ae 2606:4700:20::681a:5ae 2606:4700:20::ac43:4650 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network netbyggemarked.dk: 104.26.4.174 104.26.5.174 172.67.70.80 2606:4700:20::681a:4ae (AS13335) www.netbyggemarked.dk: 104.26.4.174 104.26.5.174 172.67.70.80 2606:4700:20::681a:4ae (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | ph._domainkey.powerhosting.dk | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u17318611.wl112.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u17318611.wl112.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-netbyggemarked-dk._domainkey.brejnholt.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-netbyggemarked-dk._domainkey.brejnholt.onmicrosoft.com | 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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416254767 |
| Primary NS (MNAME) | candy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:20:17 shown | 1821ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-27 20:59:26 | 1492ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-24 00:51:16 | 1700ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-19 21:08:24 | 2165ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-13 08:14:12 | 3120ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-10 23:49:41 | 1367ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-08 17:48:26 | 1971ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-08-25 08:20:26 | 2463ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-08-14 09:53:27 | 3893ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-23 05:58:17 | 9571ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-20 19:27:52 | 1508ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-09 06:37:16 | 11543ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-06 21:57:05 | 1859ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-30 11:12:45 | 1611ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-23 02:17:14 | 6306ms | 2 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-21 05:02:58 | 1112ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:35:14 | 1450ms | 2 NS 3 A 1 MX | 🔒 Secure |