e1education.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.49 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by e1education-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.49 | 3600s | linux375.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 185.20.205.49 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=yMFQFMwDktZ43wif6lEF1e5xdehgC2dpL1s_v0e8M_s |
| MS=ms85112556 |
| v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all |
| Policy | Record (e1education.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.e1education.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=0; adkim=r; aspf=r; pct=100; ri=86400; sp=reject |
| www | 185.20.205.49 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u51438463.wl214.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u51438463.wl214.sendgrid.net | RSA · ~2048 bit |
| selector1 | selector1-e1education-dk._domainkey.educationesbjergdk.k-v1.dkim.mail.microsoft | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2022-08-08 |
| Expires | 2027-08-07 (294d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 16:46:34 shown | 1029ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 12:06:22 | 1183ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 07:27:28 | 1936ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:23:23 | 1186ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:46:26 | 1174ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 11:16:08 | 1192ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 15:06:42 | 1014ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 04:36:13 | 1496ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 15:58:07 | 3251ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 01:57:34 | 1326ms | 3 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-21 21:29:17 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:05:02 | 1170ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 05:42:04 | 1720ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 05:31:15 | 755ms | 3 NS 1 A 1 MX | 🔒 Secure |