open.ac.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
open.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 03:49:53 UTC · ↺ Refresh

MX Hostnames

  • open-ac-uk.mail.protection.outlook.com
  • open-ac-uk.mail.protection.outlook.com

MX Priorities

  • open-ac-uk.mail.protection.outlook.com: 20
  • open-ac-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 137.108.200.89 ↩ openstemlabs.ac.uk

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com

SOA Record

Raw SOA nse-0.open.ac.uk hostmaster.open.ac.uk 626267119 1200 180 1209600 3600
Primary NS (mname)
nse-0.open.ac.uk
Admin Email (rname)
hostmaster@open.ac.uk
Serial
626267119
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

nse-1.open.ac.uk
ns5.dnsmadeeasy.com
nse-2.open.ac.uk
dns1.easydns.com
nse-0.open.ac.uk
ns6.dnsmadeeasy.com
dns2.easydns.net
ns7.dnsmadeeasy.com
dns3.easydns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:137.108.232.47 ip4:137.108.232.48 ip4:137.108.170.8 ip4:137.108.170.38 ip4:137.108.170.40 ip4:137.108.185.44 ip4:137.108.185.41 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

17 records
  • figma-domain-verification=8e8c055668fae80b926c0288eb5982239084b5615285898089176860f918f8e4-1732096691
  • google-gws-recovery-domain-verification=64421263
  • onetrust-domain-verification=aad3f3e075d54d1096808307a52abcef
  • pardot_82412_*=e7d72d8276c8595f57773eb4d83b037e856784d58dbdb523b97c0b0f56d9b81a
  • 18471B7C-2B3F-45E7-AEDC-3EA03414775F
  • docusign=6ff4a17b-e6f2-45fd-adee-5e7d8e78af60
  • miro-verification=218d5a800c3e23121a9ebb0e337ded3afd09be2a
  • ms-domain-verification=58707448-2d95-4d8a-8f96-251fe228a6f5
  • ms-domain-verification=fa7e3aed-a1a0-4cb4-9357-a73e8937c03f
  • SPFv=spf1 include:spf.protection.outlook.com ip4:137.108.232.47 ip4:137.108.232.48 ip4:137.108.170.8 ip4:137.108.170.38 ip4:137.108.170.40 ip4:137.108.185.44 ip4:137.108.185.41 -all
  • docusign=1eb451ea-6371-4947-8336-39756407a444
  • QuoVadis=68982e3b-7953-4614-873f-9da98085027c
  • ms-domain-verification=8b432f08-e1ac-4736-835a-c1ce2d06382f
  • facebook-domain-verification=l6vomvk8x70tqy0bsom3lld4pxj20j
  • VLKULrXsoIo5zmwTgcJB3M2/q7+2QapFVurBXPyNtO74OW82aLZFh1Dx4Ld7VVt8F9Bw4W/ObE1Wpsq2EnwVrg==
  • ms-domain-verification=7909bfce-d665-48fa-a544-e7478ff30053
  • google-site-verification=g-YyMpdzK-9nMYN4-6dSZFui5i-5lFM2aGj6E_K-Oy4
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