Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
asb-ab.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-01 15:42:52 UTC ยท โบ Refresh
MX Hostnames
- mta2.asb-wuerzburg.de
MX Priorities
- mta2.asb-wuerzburg.de: 10
A / AAAA Records
- 91.203.111.34 โฉ server34.configcenter.info
Mail Server IPs
- 82.212.251.132 โฉ mta2.asb-wuerzburg.de
SOA Record
Raw SOA
ns1.mwdns.de support.glaab.de 2025121801 10800 3600 604800 86400
Primary NS (mname)
ns1.mwdns.de
Admin Email (rname)
support@glaab.de
Serial
2025121801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.mwdns.de
ns1.mwdns.de
ns2.mwdns.de
ns3.mwdns.de
SPF Record
โ Strict (-all)
v=spf1 mx ip4:82.212.251.130/32 ip4:82.212.251.132/32 ip4:87.128.21.71/32 include:secure-mailgate.com -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none;
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 1 found
default._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx ip4:82.212.251.130/32 ip4:82.212.251.132/32 ip4:87.128.21.71/32 include:secure-mailgate.com -all
- google-site-verification=ABBAtmpHctI6NDkYXOmLw75jrTpj5XICR846KwDD9V0
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for asb-ab.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
Get 1,000 Free Credits