rendejern.dk is a .dk domain served by 3 nameservers (a.ns.netic.dk, b.ns.netic.dk, c.ns.netic.dk). It was registered on 9 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.100 | 300s | vm1176.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mxfilter01.netic.dk | 2a03:dc80:0:f136::207 77.243.50.207 |
mxfilter01.netic.dk mxfilter01.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| 10 | 28800s | mxfilter02.netic.dk | 2a03:dc80:0:f136::213 77.243.50.213 |
mxfilter02.netic.dk mxfilter02.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| TXT Record |
|---|
| ca3-0b459579201d4c8fbdee15a05991f6ae |
| ca3-2d7837f8497e463798a6d579b8648d5d |
| MS=ms30346693 |
| v=spf1 include:_spf.netic.dk include:spf.idsolutions.dk a:mail.edisoft.no -all |
| Policy | Record (rendejern.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.netic.dk include:spf.idsolutions.dk a:mail.edisoft.no -all |
| www | 193.242.107.65 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rendejern.dk | ipabeslag.dk.kinstavalidation.app |
| TXT | ipabeslag.dk.kinstavalidation.app | q0QuMBuGNk7XseZTxIrBhmi58MTmgYAwDqH3wJeKiyA |
| TXT | ipabeslag.dk.kinstavalidation.app | tz_clhTpGe7Cyk3ygkZqR7JWFWzfkMo5uwp3EZ8d0fM |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxfilter01.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| SMTP _25._tcp.mxfilter02.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2190 |
| Primary NS (MNAME) | a.ns.netic.dk |
| Responsible (RNAME) | hostmaster@netic.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 60s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2007-03-09 |
| Expires | 2027-03-31 (163d) |
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 |
|---|---|---|---|
| 2026-10-09 13:41:29 | 2868ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 01:04:12 | 1155ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:48:07 | 875ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 08:50:28 | 1032ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 03:22:12 shown | 2109ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:00:27 | 1043ms | 3 NS 1 A 2 MX | ⚠️ Bogus |