barmer.de

Valid Email Server
Domain Lookup › barmer.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
barmer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 04:34:33 UTC · ↺ Refresh

MX Hostnames

  • issbh-smtp02.mas.t-systems-service.com
  • issbh-smtp01.mas.t-systems-service.com

MX Priorities

  • issbh-smtp02.mas.t-systems-service.com: 10
  • issbh-smtp01.mas.t-systems-service.com: 10

A / AAAA Records

  • 35.156.200.236 ↩ ec2-35-156-200-236.eu-central-1.compute.amazonaws.com
  • 3.122.214.40 ↩ ec2-3-122-214-40.eu-central-1.compute.amazonaws.com
  • 52.28.202.234 ↩ ec2-52-28-202-234.eu-central-1.compute.amazonaws.com

Mail Server IPs

  • 160.44.10.51 ↩ issbh-smtp02.mas.t-systems-service.com
  • 160.44.10.50 ↩ issbh-smtp01.mas.t-systems-service.com

SOA Record

Raw SOA ns-1845.awsdns-38.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1845.awsdns-38.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-605.awsdns-11.net
ns-1101.awsdns-09.org
ns-184.awsdns-23.com
ns-1845.awsdns-38.co.uk

SPF Record

✓ Strict (-all)
v=spf1 mx a:spf-issbh.mas.t-systems-service.com a:mx1.aok.de a:mx2.aok.de a:smtp.bitsystems-gmbh.de ip4:185.172.11.154 ip4:35.242.247.107 ip4:34.107.8.58 ip4:62.146.198.45 include:_spf-dc55.sapsf.eu include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

9 records
  • _mvn7vpfh0wegy8pwv7g55k12i313lbs
  • apple-domain-verification=B2fOv2kB-FKm2YVJZUkbPghOYublp4AanGYMEpbmGno
  • atlassian-domain-verification=J9uNvg/fjm0hy2yTH/6phc3f2ZrH2MqptW3zd7ZR9i97fttZaoqcjFo4XECrXOEz
  • cisco-ci-domain-verification=64039612262e2452a4855834574e283f74eb20662a153cba4b62ace2455be584
  • facebook-domain-verification=u5pap3v2rrz6h5iumkw8phkymrvi51
  • google-site-verification=H59eImjnWbWyzB3xkPtKwsHj903XC7ZHwYXhWvm0JL0
  • successfactors-site-verification=MzA2YzZkMTAxYzE3OTQ4ZmYzMmQyZjI0NTllNDk0NjRmZDMwY2Y0MDA5ODBiNWIwODFmNjNiMTg4YjZkYzU1Mg==
  • SPFv=spf1 mx a:spf-issbh.mas.t-systems-service.com a:mx1.aok.de a:mx2.aok.de a:smtp.bitsystems-gmbh.de ip4:185.172.11.154 ip4:35.242.247.107 ip4:34.107.8.58 ip4:62.146.198.45 include:_spf-dc55.sapsf.eu include:spf.protection.outlook.com -all
  • MS=ms64520212
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