suhyup.co.kr

Valid Email Server
Domain Lookup › suhyup.co.kr

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
suhyup.co.kr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 06:39:40 UTC · ↺ Refresh

MX Hostnames

  • spam.suhyup.co.kr

MX Priorities

  • spam.suhyup.co.kr: 0

A / AAAA Records

  • 223.255.207.72 (no PTR)

Mail Server IPs

  • 203.228.172.208 (no PTR)

SOA Record

Raw SOA ns.suhyup.co.kr root.suhyup.co.kr 2018110887 60 600 86400 300
Primary NS (mname)
ns.suhyup.co.kr
Admin Email (rname)
root@suhyup.co.kr
Serial
2018110887
Refresh
60s
Retry
600s
Expire
86400s
Minimum TTL
300s

Nameservers (NS)

ns.suhyup.co.kr
ns2.suhyup.co.kr

SPF Record

✓ Strict (-all)
v=spf1 ip4:203.228.172.206 ip4:203.228.172.158 ip4:203.228.172.159 ip4:203.228.172.183 ip4:203.228.172.75 ip4:61.37.13.47 ip4:203.228.172.67 ip4:203.228.172.68 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • DKIMv=DKIM1;g=*;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTkb4QBxjll2P/ckXxCwmkTH9nSZvv4qkl5MrL4R7o6QF0GX+dpnu1wlwp2ceGVYsiXXOlGSPlnsgDLkyc3CSrGXzvtJu4l7Yt4QsrfBKf5gkCt5uRJHE1CetPQHbavP94imgLbnO4kVCrXqUJ8AUMXP0VVRVtAb9cin+ABspBnwIDAQAB
  • _9laei68tn2063z6e0j33p60jv9sjf3p
  • SPFv=spf1 ip4:203.228.172.206 ip4:203.228.172.158 ip4:203.228.172.159 ip4:203.228.172.183 ip4:203.228.172.75 ip4:61.37.13.47 ip4:203.228.172.67 ip4:203.228.172.68 -all
  • google-site-verification=OCcctVqz7ssHzuiUJ97VNvL6D0UOz1kCI0e1Vdigiok
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