city-1.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
city-1.de
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 04:09:11 UTC ยท โ†บ Refresh

MX Hostnames

  • city1-de01b.mail.protection.outlook.com

MX Priorities

  • city1-de01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.10.239 (no PTR)
  • 104.26.11.239 (no PTR)
  • 172.67.73.89
  • 2606:4700:20::681a:aef
  • 2606:4700:20::ac43:4959
  • 2606:4700:20::681a:bef

Mail Server IPs

  • 52.101.73.30 โ†ฉ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.153 โ†ฉ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.32 โ†ฉ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.6 โ†ฉ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 โ†ฉ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e โ†ฉ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 โ†ฉ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 โ†ฉ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA lou.ns.cloudflare.com dns.cloudflare.com 2398943008 10000 2400 604800 1800
Primary NS (mname)
lou.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398943008
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lou.ns.cloudflare.com
raphaela.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx ip4:87.140.82.121 ip4:78.94.166.226 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf-de.emailsignatures365.com -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

18 records
  • canva-site-verification=zk3Efg-8x6oyscXnf8EwLQ
  • linkedin-site-verification=c4d953c6-62e4-4c4b-b1b0-34bae896d1b5
  • _zzmnwzb8pj1z5kr9qhja1rhmfgb3vwl
  • notion-domain-verification=BiTsd26ArFRBp3XT4xuRHQmcn2pO3A5zUE55JJ3Id9v
  • anthropic-domain-verification-qzw174=PS8CrZQSzQGXgSvaPkcBSmwtT
  • pinterest-site-verification=cc5845878e7bfee763903c6c1542befe
  • _5e9190lm6o285f1iylui3udjsfynuoo
  • SPFv=spf1 mx ip4:87.140.82.121 ip4:78.94.166.226 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf-de.emailsignatures365.com -all
  • google-site-verification=wi1tKmU8LEP9CtG9_3h_Q3BUWK8YRCRFdbHwnQ9MK-s
  • apple-domain-verification=G9R7Q8GODqQeU9BD
  • openai-domain-verification=dv-zEPSaYsiKlC2GBJB6zR5kVcE
  • google-site-verification=uIN9qlpNrmcD8bKNOfqmbT4xBTCVamnfIZJCyUVRrcs
  • l16qh7d9hk8pdg8mz3k9k1hzbtyd4515
  • perplexity-ai-domain-verification-84vt92=vxcfIV8t7Zl4r3nP8RgDghUZ0
  • duo_sso_verification=kOgzDg6GiOimf62Y4HkZBDvyNkJ7Tkw9J6NrgTQZ4EaeEycf99xOWFzH2LGIgnks
  • apple-domain-verification=_0ivx0TpvHIfW5wa8wiNLJC7KF4ab0DpJbOFW2LRWxQ
  • mistral-domain-verification=d79b22c75e27f365ae679b5c0c0e94fe1252ccc5
  • MS=ms13790294
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