| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.48.162 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.86 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.154.86 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:30a2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:9a56 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.48.162,172.67.154.86 ech=AEX+DQBBMAAgACCFPBWq11R/2PlUEzsM901zSICxZgzjMh/e5ypXBlEEMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:30a2,2606:4700:3037::ac43:9a56 |
| TXT Record |
|---|
| brevo-code:19bc4bd23ad7ab24077b74df7ff5c500 |
| brevo-code:41a15b9de568d3ed295cc6f800c571ac |
| facebook-domain-verification=eacq6ljv1nnqhxqg1y9l2terr0w7t9 |
| google-site-verification=h2B5Ju7OaI4SwPIg1c5_DOFVgRv83vlfE-BP2N26Hvo |
| v=spf1 include:spf.simply.com include:emsd1.com include:_spf.google.com include:emsd1.com ~all |
| Policy | Record (bookstudenterkorsel.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com include:emsd1.com include:_spf.google.com include:emsd1.com ~all |
| Policy | Record (_dmarc.bookstudenterkorsel.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:reports@youngunite.dk; aspf=r |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bookstudenterkorsel.dk | phpstack-262570-816542.cloudwaysapps.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| 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 | 2411454824 |
| Primary NS (MNAME) | karina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-06 00:46:08 | 1154ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-01 08:54:45 | 943ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-02 00:56:45 | 917ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 16:11:47 | 2536ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 16:07:54 | 1695ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 16:01:06 | 670ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 16:00:59 | 473ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |