Skip to content
Gridlode
Rank #717Updated November 10, 2026

iop.org

Institute of Physics - For physics • For physicists • For all : Institute of Physics

iop.org is registered with Amazon Registrar, Inc. since October 19, 1994 (32.1 years). The registration expires on October 18, 2027. The site runs on Drupal, Cloudflare Web Analytics, Varnish and 10 other technologies. Its email security grade is D. Its SSL certificate is issued by Let's Encrypt and is valid for 74 more days.

Domain age
32.1 yrs
Technologies
13
Email security
D
SSL days left
74

Registration

RegistrarAmazon Registrar, Inc.
IANA ID468
RegisteredOctober 19, 1994
ExpiresOctober 18, 2027
UpdatedSeptember 18, 2026
Statusclient transfer prohibited
Name serversns-1225.awsdns-25.org, ns-1960.awsdns-53.co.uk, ns-340.awsdns-42.com, ns-639.awsdns-15.net
DNSSECNot signed

DNS records

TypeValueTTL
A23.185.0.460
MXeu-smtp-inbound-1.mimecast.com 103600
MXeu-smtp-inbound-2.mimecast.com 103600
NSns-1225.awsdns-25.org172800
NSns-1960.awsdns-53.co.uk172800
NSns-340.awsdns-42.com172800
NSns-639.awsdns-15.net172800
TXT4320pjynsqdkq8dcps4q0dr4hykcxfyf60
TXT50by84zzj9h15s0ffhz079tmf1jd8ff560
TXT7nrd6mq79qscw0zl8h8cryj8msvw322z60
TXTMS=58689DAEDB25039730AB530BD8CE7A1D7484E43D60
TXTMS=ms5925074660
TXT_du40h1slzxpu2y7kkyblisw0lyq1yxd60
TXTatlassian-domain-verification=8zjpOaVhpx4GsMyDKKC7PiepHpMJn3/YLa6zj3Rg533EF946kbxJ4HMEj7tboCBJ60
TXTatlassian-domain-verification=KBOLTLmWdCHd1fvodLout9SW1yXe8twKA9bm2F1s5ch7L1afAoEZpxomO8P5Iqdf60
TXTfxy6wlx58w4406ff4cq94vtgz194j1s360
TXTgoogle-site-verification=h-13dH-mtX3h2aiT1F3Sbx6pLi2f9d1oAg1UzdlU6-E60
TXTknfzbsps54lz92cdmcr79wgg0tmlk0yn60
TXTv=spf1 include:msgfocus.com include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.eventsforce.net include:sendgrid.net include:%{i}._spf.mta.salesforce.com ip4:212.50.164.128/25 ip4:77.86.25.0/25 ip4:213.249.244.128/25 ip4:107.21.37.86 ip4:185.33.6.55 ip4:149.72.219.161 ip4:66.187.204.0/23 ~all60
AAAA2620:12a:8001::460
AAAA2620:12a:8000::460

Technology stack

Cache
Hosting
JavaScript library
Payments
Programming language

Analytics and advertising IDs

google_tag_manager:GTM-53NVWC3

SSL certificate

ValidValid
IssuerUS, YR1, Let's Encrypt
ExpiresJanuary 23, 2027
Days remaining74
ProtocolTLSv1.3
Namesapplications.iop.org, beta.iop.org, iop.org, iopcymru.org, iopireland.com, iopireland.org, iopscotland.org, iopwales.org, membership.iop.org, prod.iop.org, www.iop.org, www.iopcymru.org

Email security

DScore 63/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector1, s1, s2).
  • good2 MX record(s) found. Mail is handled by Mimecast.

Homepage metadata

TitleInstitute of Physics - For physics • For physicists • For all : Institute of Physics
DescriptionPromoting physics and bringing physicists together for the benefit of all
Languageen
Canonicalhttps://www.iop.org/
IndexableYes
Word count1695

About iop.org

Who is the registrar of iop.org?

iop.org is registered with Amazon Registrar, Inc. (IANA ID 468).

When does iop.org expire?

The current registration of iop.org expires on October 18, 2027. It was first registered on October 19, 1994.

What technology does iop.org use?

We detected 13 technologies on iop.org, including Cloudflare Web Analytics, Varnish, Cloudflare, Fastly, Drupal, Adobe Fonts.

Does iop.org protect its email with SPF and DMARC?

iop.org scores 63/100 (grade D) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of iop.org?

iop.org uses ns-1225.awsdns-25.org, ns-1960.awsdns-53.co.uk, ns-340.awsdns-42.com, ns-639.awsdns-15.net.