DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
esl.ac.uk is hosted on Vercel, served over Amazon AWS, with email via Microsoft 365.
- Platform
- Vercel
- Hosting network
- Amazon AWSAS16509Amazon AWS
- Managed DNS
- Self-hosted / other
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,433,352 other sites on Amazon AWS. Stable here since we started watching (Sep 28, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to esl.ac.uk.
DNS Records for esl.ac.uk
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| esl.ac.uk | MX | 0 | esl-ac-uk.mail.protection.outlook.com | |
| esl.ac.uk | A | 0 | 76.76.21.21 | |
| esl.ac.uk | NS | 0 | ns4.kualo.net | |
| esl.ac.uk | NS | 0 | ns1.kualo.net | |
| esl.ac.uk | NS | 0 | ns2.kualo.net | |
| esl.ac.uk | NS | 0 | ns3.kualo.net | |
| esl.ac.uk | SOA | 86400 | ns1.kualo.net server_alerts_inbound.kgix.com 2026081302 3600 1800 1209600 86400 | |
| esl.ac.uk | TXT | 0 | google-site-verification=YpcjeGzDoV81F6YhChQBliL8YEf3KdMSvWJnCj5v4Zo | |
| esl.ac.uk | TXT | 0 | MS=ms12953889 | |
| esl.ac.uk | TXT | 0 | brevo-code:8207f7526f16e3ac84b1993c569437bb | |
| esl.ac.uk | TXT | 0 | atlassian-sending-domain-verification=47a25f54-d765-4836-b7ed-f85b0cb0e50a | |
| esl.ac.uk | TXT | 0 | apple-domain-verification=WDLMKzJj6zYUFJOk | |
| esl.ac.uk | TXT | 0 | v=spf1 ip4:91.197.228.81 include:spf.filteredmx.net include:spf.protection.outlook.com -all | |
| esl.ac.uk | TXT | 0 | TXT Name: esl.ac.uk Value: atlassian-sending-domain-verification=47a25f54-d765-4836-b7ed-f85b0cb0e50a | |
| www.esl.ac.uk | MX | 0 | esl-ac-uk.mail.protection.outlook.com | |
| www.esl.ac.uk | NS | 0 | ns3.kualo.net | |
| www.esl.ac.uk | NS | 0 | ns1.kualo.net | |
| www.esl.ac.uk | NS | 0 | ns2.kualo.net | |
| www.esl.ac.uk | NS | 0 | ns4.kualo.net | |
| www.esl.ac.uk | CNAME | 0 | esl.ac.uk | |
| www.esl.ac.uk | SOA | 86400 | ns1.kualo.net server_alerts_inbound.kgix.com 2026081302 3600 1800 1209600 86400 | |
| www.esl.ac.uk | A | 0 | 76.76.21.21 | |
| www.esl.ac.uk | TXT | 0 | v=spf1 ip4:91.197.228.81 include:spf.filteredmx.net include:spf.protection.outlook.com -all | |
| www.esl.ac.uk | TXT | 0 | atlassian-sending-domain-verification=47a25f54-d765-4836-b7ed-f85b0cb0e50a | |
| www.esl.ac.uk | TXT | 0 | apple-domain-verification=WDLMKzJj6zYUFJOk | |
| www.esl.ac.uk | TXT | 0 | brevo-code:8207f7526f16e3ac84b1993c569437bb | |
| www.esl.ac.uk | TXT | 0 | google-site-verification=YpcjeGzDoV81F6YhChQBliL8YEf3KdMSvWJnCj5v4Zo | |
| www.esl.ac.uk | TXT | 0 | MS=ms12953889 | |
| www.esl.ac.uk | TXT | 0 | TXT Name: esl.ac.uk Value: atlassian-sending-domain-verification=47a25f54-d765-4836-b7ed-f85b0cb0e50a |
Get alerted the moment esl.ac.uk's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch esl.ac.uk continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain