| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.183.141.137 | 1200s | 188-183-141-137-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 188.176.0.0/13 | 🇩🇰 Denmark | Solrød Strand |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.183.141.137 |
| 🔶 Autoconfig | 188.183.141.137 |
| TXT Record |
|---|
| forward-email-site-verification=ZLzzc20rh8 |
| v=spf1 a include:spf.forwardemail.net include:_spf.google.com include:_custspf.one.com ~all |
| Policy | Record (margrethesminde.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.forwardemail.net include:_spf.google.com include:_custspf.one.com ~all |
| Policy | Record (_dmarc.margrethesminde.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:dmarc-65d8b9d7f6588a072c18b840@forwardemail.net; |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.forwardemail.net | DANE-EE · SPKI · SHA-256 | 321F694EAD3A2E733D857FD7E79D811F… |
| SMTP _25._tcp.mx1.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| SMTP _25._tcp.mx2.forwardemail.net | DANE-EE · SPKI · SHA-256 | 321F694EAD3A2E733D857FD7E79D811F… |
| SMTP _25._tcp.mx2.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-08 14:21:19 | 1201ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-06 22:43:30 | 1589ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 06:18:12 | 807ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 16:11:27 | 518ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 12:55:24 | 718ms | 2 NS 1 A 2 MX | 🔒 Secure | View |