DNS Record Lookup

Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

isi.com runs on AS44453, with email via Microsoft 365.

Hosting network
AS44453AS44453
Managed DNS
Self-hosted / other
Email
Microsoft 365
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 1,113 other sites on AS44453. Stable here since we started watching (Sep 3, 2026).

The apex and www are the same hosting — the apex via A records.

DNS Records for isi.com

HostnameTypeTTLPriorityContent
isi.comMX010isi-com.mail.protection.outlook.com
isi.comNS0ns.udag.net
isi.comNS0ns.udag.org
isi.comNS0ns.udag.de
isi.comA0128.204.137.153
isi.comSOA3600ns.udag.de hostmaster.united-domains.de 2024090374 10800 3600 604800 3600
isi.comTXT0crqteadkpui7gp0s48pd89ourd
isi.comTXT0bc8aootpk2jr9fu8ts4ms7tu2a
isi.comTXT0google-site-verification=nWMgk1qb3j0YaOo1JctPOFg5Y7ZoIzo1f1NjWZy8ubo
isi.comTXT0google-site-verification=XZdx9JG1x1y8vU4930bBpRo0QLhAodnpAY4MC9Kfp78
isi.comTXT0v=spf1 ip4:31.12.3.168/29 ip4:31.12.6.128/28 ip4:58.209.101.160/29 ip4:221.128.101.64/28 ip4:187.157.229.192/28 ip4:188.134.231.48/29 ip4:2.207.248.32/28 ip4:81.14.217.8/29 ip4:212.185.120.112/29 ip4:77.221.39.68/30 ip4:200.188.16.72/29 ip4:118.175.7.160/29 ip4:50.248.131.8/29 ip4:195.228.126.240/29 ip4:148.244.205.83 include:customer._spf.ipax.at include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de -all
isi.comTXT0as2lsm7v4bjqgod49jco64ca3i
www.isi.comA0128.204.137.153

What's up with DNS →

Our daily roundup of the most interesting DNS changes across the web — hosting and CDN migrations, network moves, and security-config shifts.

Ask about isi.com

Beta

Answers use the live DNS records shown on this page. AI-generated — double-check anything important.

Get alerted the moment isi.com's DNS changes

This page is today's snapshot. Turn on monitoring and we'll watch isi.com 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.

Monitor DNS free

Free for your first domain: uptime, DNS, and certificate together. No credit card.

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