Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalgallery.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:11:38 UTC · ↺ Refresh
MX Hostnames
- nationalgallery-sg.mail.protection.outlook.com
MX Priorities
- nationalgallery-sg.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.138.39 (no PTR)
- 172.66.133.222 (no PTR)
- 2606:4700:10::ac42:8a27 (no PTR)
- 2606:4700:10::ac42:85de (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
cody.ns.cloudflare.com dns.cloudflare.com 2398847822 10000 2400 604800 1800
Primary NS (mname)
cody.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398847822
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zara.ns.cloudflare.com
cody.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.questionpro.com include:amazonses.com include:spf.sendinblue.com include:autotask.net include:mailgun.org ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
8 records- amazonses:/WTw+Gwajy4cjmpR4fMRutahJLEpnFPOuu3Oy4L2T+U=
- google-site-verification=6ooEK0y_hFgaK-6urhPht52qAAvwG_qGQ-04UbNXFs4
- google-site-verification=Vi4VOuhcM_utT6NAAjEiLgQTLSOMV--YgFpg5vCZK3c
- sendinblue-code:272f47dcecb52506f99dd95b5563630d
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.questionpro.com include:amazonses.com include:spf.sendinblue.com include:autotask.net include:mailgun.org ~all
- MS=ms63317313
- _1q9f0rv54p1k3dy9zgfoh96kp39r2jt
- adobe-sign-verification=adfbb0317d03e316bb42243bacc32e0e
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