uol.com.sg

Valid Email Server

Domain Overview

DNS: โœ“ 3d ago Checker: โœ“ 3d ago
uol.com.sg
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-05-18 08:06:29 UTC ยท โ†บ Refresh

MX Hostnames

  • uol-com-sg.mail.protection.outlook.com

MX Priorities

  • uol-com-sg.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.20.28.203 (no PTR)
  • 172.66.144.238 (no PTR)

Mail Server IPs

  • 52.101.124.117 โ†ฉ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.137.0 โ†ฉ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.157.80 โ†ฉ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 โ†ฉ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: โ†ฉ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 โ†ฉ mail-os8pr02cu00104.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.webvisions.com hostmaster.serveradd.com 2026043001 3600 7200 1209600 86400
Primary NS (mname)
ns1.webvisions.com
Admin Email (rname)
hostmaster@serveradd.com
Serial
2026043001
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.webvisions.com
ns1.webvisions.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:203.118.37.211 ip4:203.126.226.194 ip4:118.201.145.130 ip4:122.11.164.9 ip4:103.244.11.203 ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 include:spf.protection.outlook.com include:lara1.imailsmtp.com include:_spf.psm.knowbe4.com include:sendgrid.net ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: quarantine

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

13 records
  • adobe-sign-verification=358a31a2c9d00ae7553bcf352df94807
  • 13qlcf3g9f8dngs50du242vn4g
  • SPFv=spf1 ip4:203.118.37.211 ip4:203.126.226.194 ip4:118.201.145.130 ip4:122.11.164.9 ip4:103.244.11.203 ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 include:spf.protection.outlook.com include:lara1.imailsmtp.com include:_spf.psm.knowbe4.com include:sendgrid.net ~all
  • mandrill_verify.BjVc3l_nRDIKbYC02YcDWg
  • docusign=d53ed5e5-1d51-43d7-a066-9362b659e86d
  • knowbe4-site-verification=2afae5897fcaf0b36f06c4ae75860e69
  • f2upri8n6kdo7762flfom3gtfb
  • he45kd0tgmr4c0oju1b0aoeahq
  • apple-domain-verification=hcsljeOBHQLr1VpA
  • MS=ms57973469
  • MS=ms56474436
  • _co5ctv5ej4qwdiqa6ped814jbnzs642
  • kmrNct04ae4most/DhOsyQ7FeEHUTB1rv+ctJaGtvEo4HrfvWYHAHZ8r6SN7CxrdGGL4lXO73qKPRQYnTJ4r4w==
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