Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nul.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 19:20:56 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 45.60.172.160 (no PTR)
- 45.60.152.160 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns73.worldnic.com namehost.worldnic.com 125092209 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125092209
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns74.worldnic.com
ns73.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:ciaweb1.nul.org a:ciaweb2.nul.org a:ciaweb3.nul.org include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:salsalabs.org ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=70;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 70% of failing messages only
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- globalsign-domain-verification=efd05aa1c096add336a4d1e71c911f4f
- rodmp7v06rcbms2eqepkmjqd3c
- km0e7754hjgn2ua45qg34hgl4v
- globalsign-domain-verification=2784786F718135A4B395B3BE0BE94E5E
- google-site-verification=epiinbBAMK7dumpQmek4XpGX4_lOxG-FIYgVj2UqYZM
- p0q5jd55s7cjvhmv2hq8gv8nqc
- SPFv=spf1 mx a a:ciaweb1.nul.org a:ciaweb2.nul.org a:ciaweb3.nul.org include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:salsalabs.org ~all
- dk05g3vol7f9p9eqohcg123ni5
- 5C9IP8I5RA14P68CJNTHEVFG6N
- globalsign-domain-verification=DDF11CD8DE3F0099CAAC32286708E975
- airtable-verification=9e8c1e492e53a8b0fd41205b242148e5
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