languagecourse.net

Valid Email Server
Domain Lookup › languagecourse.net
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
languagecourse.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 02:54:26 UTC · ↺ Refresh

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MX Hostnames

  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • mxlb.ispgateway.de
  • alt2.aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • mxlb.ispgateway.de: 100
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 172.67.72.171 (no PTR)
  • 104.26.10.69
  • 104.26.11.69
  • 2606:4700:20::681a:a45
  • 2606:4700:20::ac43:48ab
  • 2606:4700:20::681a:b45

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 80.67.18.126 ↩ mxlb.ispgateway.de
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA adel.ns.cloudflare.com dns.cloudflare.com 2415229442 10000 2400 604800 1800
Primary NS (mname)
adel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415229442
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

doug.ns.cloudflare.com
adel.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:138.201.252.126 ip6:2a01:4f8:173:2349::2 ip4:138.201.252.85 ip6:2a01:4f8:173:2342::2 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 ip4:138.201.252.126 ip6:2a01:4f8:173:2349::2 ip4:138.201.252.85 ip6:2a01:4f8:173:2342::2 include:_spf.google.com -all
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