kt.com

Valid Email Server
Domain Lookup › kt.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
kt.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 01:00:57 UTC · ↺ Refresh

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MX Hostnames

  • mail.kt.com

MX Priorities

  • mail.kt.com: 10

A / AAAA Records

  • 14.63.149.115 (no PTR)

Mail Server IPs

  • 221.168.51.167 (no PTR)

SOA Record

Raw SOA name.kt.co.kr boan.kt.co.kr 2026052001 10800 3600 1209600 86400
Primary NS (mname)
name.kt.co.kr
Admin Email (rname)
boan@kt.co.kr
Serial
2026052001
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

name2.kt.co.kr
name.kt.co.kr
name3.kt.co.kr

SPF Record

✓ Strict (-all)
v=spf1 ip4:14.63.245.0/24 ip4:211.252.120.49 ip4:211.252.120.84 ip4:211.252.120.117 ip4:221.168.51.0/24 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

20 records
  • miro-verification=16b6bc73fdc188e3b3e94b68c9d8017d88596cea
  • lovable_verification=SS5nZePJPzAHu1M4NwKC
  • MS=ms63549104
  • domain-verification=e8268a23e9d00f3988444d21aa824918c09f79cdb0b50e1837a6e637bade0dcb
  • openai-domain-verification=dv-23mJCb6YJahhstCHDTp4iGR4
  • google-site-verification=bdgSgFHc0_YSHgIFZZy-5sqGn2kxH8RApVumDPhIn64
  • google-gws-recovery-domain-verification=65957383
  • atlassian-sending-domain-verification=501e13ea-de52-4c49-85d9-9a56ce9a3ac4
  • atlassian-domain-verification=UB8nYcMxWXtDXlkeuPDzkg/etVi1Q7rBSlliflmfLzoGbI/Cc/ivaz7KWYdzkZFk
  • CAue/yKV5UsLfDauaNj7n5jRyJvVSa67C1HnjlD3ANI2bEfPFJlTaojiH8VbH/GF2eVwHaKgVpLlY+t3LjzOFw==
  • I/8q5wh8AOSunmUpRY1OlIz/ieYea8NEEfCI6t75jg3Jo8laNOWEXAKsGYUq+btNl7s9gPdmdLPaQn3Jrgp5Eg==
  • cursor-domain-verification-x58ajr=tQlaUafI5TIrYs7dy31uyJlvA
  • google-site-verification=MuHitm-zWDyMXMZXYyEqxE98W6kcfL4Ee1Ph9fPYF2Q
  • google-site-verification=DmtHvV4Zcn50oYNajz6Vx3HUclqF9UB4r8vU-o8H2sE
  • asv=dabb51d2bee08b9b5f985d89d54af954
  • google-gws-recovery-domain-verification=44013416
  • apple-domain-verification=TYAcaeeuRZe57n3G
  • anthropic-domain-verification-1rmsq2=0kncP3nXvHrpEoPiteUY5s9ud
  • SPFv=spf1 ip4:14.63.245.0/24 ip4:211.252.120.49 ip4:211.252.120.84 ip4:211.252.120.117 ip4:221.168.51.0/24 include:spf.protection.outlook.com include:_spf.google.com -all
  • facebook-domain-verification=bykbwt2ft1n3brozmw5841vxt5mj35
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