citrix-training.dk is a .dk domain served by 4 nameservers (pdns77.ultradns.biz, pdns77.ultradns.com, pdns77.ultradns.net and 1 more). It was registered on 24 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.234.0.82 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by .. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.234.0.82 | 300s | — | AS8075 | Microsoft Corporation | 52.224.0.0/11 | 🇺🇸 United States | San Jose |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (citrix-training.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.citrix-training.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rywdzx3h@ag.dmarcian.com |
| www | 62.243.193.10 (AS3292) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| 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 | 2020074493 |
| Primary NS (MNAME) | pdns77.ultradns.com |
| Responsible (RNAME) | domadmin@arrow.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2006-05-24 |
| Expires | 2027-05-31 (226d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 11:36:08 shown | 529ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 10:59:44 | 594ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 11:30:01 | 735ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 11:25:06 | 590ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 07:58:17 | 9443ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 14:56:48 | 637ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 14:11:34 | 927ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 13:07:32 | 1727ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 12:19:09 | 1122ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:52:10 | 550ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 19:54:34 | 977ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 15:22:24 | 812ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 12:12:32 | 3004ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 22:18:28 | 788ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-01 14:00:30 | 1327ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 03:44:01 | 868ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 03:13:21 | 16577ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 02:33:26 | 993ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 02:08:33 | 785ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 01:08:57 | 13705ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 00:16:32 | 9622ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-19 10:42:35 | 1690ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 07:56:03 | 952ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 06:24:24 | 1785ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 12:15:27 | 9723ms | 4 NS 1 A 1 MX | 🔓 Insecure |