Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nrc.islington.sch.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 01:59:47 UTC · ↺ Refresh
MX Hostnames
- nrc-islington-sch-uk.mail.protection.outlook.com
MX Priorities
- nrc-islington-sch-uk.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
dns7.qzxyz.com servicedesk.atomwide.com 2025092902 7200 1800 604800 3600
Primary NS (mname)
dns7.qzxyz.com
Admin Email (rname)
servicedesk@atomwide.com
Serial
2025092902
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns10.qzxyz.com
dns8.qzxyz.com
dns7.qzxyz.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:mailrelay.lgfl.org.uk a:out.mailprotect.org.uk ip4:159.183.204.6 ip4:168.245.59.25 ip4:50.31.43.182 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- ot8c55ounc5j4gfqhn8iobd1hk
- 77gsfa6dqb93jshkm2l2s8h591
- 5bog3ro9el2idktjba65ucnmps
- apple-domain-verification=qeZ4Grb09zTWuFck
- MS=ms73704613
- MS=ms86435788
- google-site-verification=n8jRHmCXEBW6qegNoSpaYB-Wuqahku8feeRus2PzT4U
- SPFv=spf1 include:spf.protection.outlook.com a:mailrelay.lgfl.org.uk a:out.mailprotect.org.uk ip4:159.183.204.6 ip4:168.245.59.25 ip4:50.31.43.182 -all
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