Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
specializedbilling.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:25:43 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
A / AAAA Records
- 74.208.236.199 ↩ 74-208-236-199.elastic-ssl.ui-r.com
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
SOA Record
Raw SOA
ns1033.ui-dns.biz hostmaster.1and1.com 2016032308 28800 7200 604800 300
Primary NS (mname)
ns1033.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2016032308
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1033.ui-dns.com
ns1033.ui-dns.de
ns1033.ui-dns.org
ns1033.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf-us.ionos.com ~all
- TG=vzeq68
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