Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nellen.nu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:18:31 UTC · ↺ Refresh
MX Hostnames
- toproy.synology.me
- mail.rollernet.us
- mail2.rollernet.us
MX Priorities
- mail2.rollernet.us: 30
- toproy.synology.me: 10
- mail.rollernet.us: 20
A / AAAA Records
- 188.89.215.161 ↩ 161-215-89-188.ftth.glasoperator.nl
Mail Server IPs
- 208.79.241.2 ↩ mail2.rollernet.us
- 2607:fe70::4:0:0:0:a ↩ mail2.rollernet.us
- 188.89.215.161 ↩ 161-215-89-188.ftth.glasoperator.nl
- 208.79.240.2 ↩ mail.rollernet.us
- 2607:fe70::3:0:0:0:a ↩ mail.rollernet.us
SOA Record
Raw SOA
anita.ns.cloudflare.com dns.cloudflare.com 2398364562 10000 2400 604800 1800
Primary NS (mname)
anita.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398364562
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anita.ns.cloudflare.com
justin.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:Nellen.nu ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:45.14.148.0/22 include:Spf.mailjet.com ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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: 4 chars (valid)
⚠ Public key too short (4 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a:Nellen.nu ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:45.14.148.0/22 include:Spf.mailjet.com ?all
- google-site-verification=AAr2664000_pzs-JD7GzQgS3yKrY461a0JVogmUDREAXBU
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