arcelormittal-building-solutions.dk is a .dk domain served by 3 nameservers (nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com). It was registered on 23 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 152.89.172.56 is hosted by Nameshield SAS (AS209510) in France. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 152.89.172.56 | 3600s | cdn.perf1.com | AS209510 | Nameshield SAS | 152.89.172.0/22 | 🇫🇷 France | — |
| 81.92.94.54 | 3600s | cdn.perf1.com | AS20756 | Nameshield SAS | 81.92.80.0/20 | 🇫🇷 France | Angers |
| 81.92.95.55 | 3600s | cdn.perf1.com | AS20756 | Nameshield SAS | 81.92.80.0/20 | 🇫🇷 France | Angers |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:c8:100::54 | 3600s | cdn.perf1.com | AS20756 | Nameshield SAS | 2a01:c8:0:0:0:0:0:0/32 | 🇫🇷 France | — |
| 2a01:c8:101::55 | 3600s | cdn.perf1.com | AS20756 | Nameshield SAS | 2a01:c8:0:0:0:0:0:0/32 | 🇫🇷 France | — |
| 2a09:35c0:102::56 | 3600s | cdn.perf1.com | AS209510 | Nameshield SAS | 2a09:35c0:100:0:0:0:0:0/40 | 🇫🇷 France | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (arcelormittal-building-solutions.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.arcelormittal-building-solutions.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=s; |
| www CNAME | saspresence.perf1.com (all on perf1.com) |
| www vs bare domain | Same network arcelormittal-building-solutions.dk: 152.89.172.56 81.92.94.54 81.92.95.55 2a01:c8:100::54 (AS20756 AS209510) www.arcelormittal-building-solutions.dk: 185.65.58.55 81.92.91.56 (AS20756) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2026051812 |
| Primary NS (MNAME) | nsa.perf1.fr |
| Responsible (RNAME) | technical@nameshield.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | NAMESHIELD |
| Registered | 2025-05-23 |
| Expires | 2027-05-22 (217d) |
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 |
|---|---|---|---|
| 2026-09-30 22:36:31 | 829ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:43:24 | 783ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-01 02:11:19 | 2525ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-25 12:08:33 | 794ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-24 03:20:31 | 8851ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-21 00:53:46 shown | 955ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:38:09 | 629ms | 3 NS 3 A 0 MX | 🔓 Insecure |