Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tvg-verlag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 21:53:02 UTC · ↺ Refresh
MX Hostnames
- tvgverlag-de0i.mail.protection.outlook.com
MX Priorities
- tvgverlag-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.113 ↩ 217-160-0-113.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.iwelt-ag.net domainmaster.iwelt-ag.net 2024080702 43200 3600 2419200 3600
Primary NS (mname)
dns.iwelt-ag.net
Admin Email (rname)
domainmaster@iwelt-ag.net
Serial
2024080702
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns3.iwelt-ag.de
dns.iwelt-ag.net
dns2.iwelt-ag.net
SPF Record
✓ Strict (-all)
v=spf1 a:msw-1.it2media.de a:msw-2.it2media.de a:service.gbs.com a:mail1.berlinercloud.net a:mail2.berlinercloud.net a:mail3.berlinercloud.net a:mailout.sylphen.com ip4:217.110.230.40/29 ip4:52.157.254.210 include:spf.protection.outlook.com include:spfext.it2media.de -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms16247016
- SPFv=spf1 a:msw-1.it2media.de a:msw-2.it2media.de a:service.gbs.com a:mail1.berlinercloud.net a:mail2.berlinercloud.net a:mail3.berlinercloud.net a:mailout.sylphen.com ip4:217.110.230.40/29 ip4:52.157.254.210 include:spf.protection.outlook.com include:spfext.it2media.de -all
- atlassian-domain-verification=4hsg7tQWdgEWGME5UNWdaPYzdwM3qu5IwhP4ceQa/YsAxCH1dCmrGap1RvS0x4Fn
- atlassian-sending-domain-verification=27c37322-b18d-47b5-a844-62ba3258c9ef
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for tvg-verlag.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits