Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sduniontribune.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 00:00:10 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 52.42.125.161
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns-503.awsdns-62.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-503.awsdns-62.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1019.awsdns-63.net
ns-1220.awsdns-24.org
ns-1679.awsdns-17.co.uk
ns-503.awsdns-62.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com include:email.recurly.com include:_spf.google.com include:aspmx.sailthru.com ip4:104.40.18.100 ip4:138.91.242.126 ip4:40.78.127.184 ip4:13.88.59.225 ip4:192.48.98.10 ip4:192.48.98.254 ip4:173.252.165.208 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- google-site-verification=a4Ny6bBWjfbI3wWbx9HMSGVOtBxnVXBNlkLaG5wfWQA
- knowbe4-site-verification=a9ce6449edf2d51c41eed1f3517d26f9
- he7ol7b9v14ensiislhpqpml7n
- kdblpkblrep72d7rorvbhj81gu
- 2n53aa7red4415jhk7v9imk8i0
- sY5vD/uZLrrtzRyBafOX7zJaXNuSpXOLudWQiURrJZdUM6nE5iWoDTApjAdfuFEzIlimBbXf7+dUTXwjDWlMTQ==
- MS=ms55045272
- apple-domain-verification=LXbNTeIHt7yx2nYn
- 00D6A000000u2db=1TBRP00000001vN
- google-site-verification=N6uX1Mjnkb6m9sE2Y_9HGhuxotlimRDTBARrh3Iaa-4
- 2q78a5450r949oo0bvtirl0q6d
- google-site-verification=erI9IP53jtaBZBB7GQ4fvvdryilq-0vT6OExNhxTzhI
- vso4s45klhreeljs53ulk35in1
- SPFv=spf1 include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com include:email.recurly.com include:_spf.google.com include:aspmx.sailthru.com ip4:104.40.18.100 ip4:138.91.242.126 ip4:40.78.127.184 ip4:13.88.59.225 ip4:192.48.98.10 ip4:192.48.98.254 ip4:173.252.165.208 -all
- ravsotdul58u6m2tnhq387q25g
- MS=ms63518750
- google-site-verification=5epH_lLxVzMHsenDTbXrzYDZ8MIhO_Cs3DOVxhdmJAY
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