CONTINUOUS INTERNET TELEMETRY24H DRIFT10,444 material changesacross 10,044 domains · last 24h · -185 vs yesterdayDNS DRIFT669 domains changed DNS providertop destination cloudflare.com · -111 vs yesterdayEMAIL DRIFT173 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT225 domains switched issuing CA24h · -5 vs yesterdayNOW703 curated domains not reachable-646 vs yesterdaySITE ERRORS18,117 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED96,662 throttled or blocked our scanner429 rate-limit / 403 bot-block

concur.com

Observed Jul 21, 2026, 19:39 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Up right now
Runs onAkamai Technologies
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search Console
IPv6 · 17 subdomains · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat concur.com actually stands on - every host below is a signed observation
concur.com
A / AAAA
23.49.181.1732600:1408:c400:784::23bf2600:1408:c400:78f::23bf
Akamai Technologiesserves the site
NS
a13-67.akam.neta10-66.akam.neta5-66.akam.neta28-65.akam.net+2 more
akam.netanswers its DNS
MX
concur-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.concur.com
DigiCert Incissued its certificate

DNS Records

A 1

  • 23.49.181.173

AAAA 2

  • 2600:1408:c400:784::23bf
  • 2600:1408:c400:78f::23bf

MX 1

  • 10concur-com.mail.protection.outlook.com

TXT 11

  • MS=ms78442646
  • amazonses:VZ/D1wxlSczneWxZMTvAcNa/jlfUuwfHBe37ndbm76E=
  • google-site-verification=jcg3InjRAnwzVrMhFXwLaWsjBWZcVS8rqjd5Gc18kDE
  • amazonses:2S79SdSMLxLqSlEEaz5WLakgUKVlhiSzQUTB1SDufoc=
  • amazonses:WKsgoZfyOzejAjLBobYSjsT73+2xPINgjxNvaGkHzuc=
  • v=spf1 ip4:204.92.22.38 ip4:84.14.115.99 ip4:12.129.29.0/24 ip4:208.74.204.0/22 ip4:46.19.168.0/23 ip4:165.193.56.42 ip4:46.243.56.31 ip4:64.154.181.139 include:_spf.sap.com include:_spf.salesforce.com include:mktomail.com include:amazonses.com include:apj1-mail.concursolutions.com include:eu2-mail.concursolutions.com include:us2-mail.concursolutions.com -all
  • hOTAvtxd7KRzxSFzv4ljr+WWZ3ltyxxT/V20674w54LREe/Z7B8SaOXxLIOnbOKRbFBhqncUa2V8VrIREJJf5w==
  • amazonses:sncdtB/Las6+uhCl5DFQcfew5wmRiHGWkUtfoNNkHkU=
  • bugcrowd-verification=35a94a8d67a7a5b5ead31a6e4377d437
  • amazonses:emQmFu0d4eSihgLLMaPoCwRZHymCPMZAuo+2hliO8Wk=

NS 6

  • a13-67.akam.net
  • a10-66.akam.net
  • a5-66.akam.net
  • a28-65.akam.net
  • a18-64.akam.net
  • a1-111.akam.net

SOA 1

  • ns0.concur.net hostmaster.concurtech.net

SRV 1

  • webmail.concur.com:443 p0

TLS Certificates (2)

Common NameIssuerExpires
www.concur.com C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 Wed, 18 Nov 2026 23:59:59 +0000
GeoTrust TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:23:37 +0000

Subdomains (17)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for concur.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for concur.com <a href="https://domaindrift.io/t/concur.com"> <img src="https://domaindrift.io/badge/concur.com.svg" width="300" height="64" alt="DomainDrift signed observations for concur.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_0e7c42ce0e127045
Output Hash
8ddb639bb22cfe0c2c770136780a5137c0fce5b4e7095a0d77e69f0c4220f415
Signature
ed25519:a69af22fbf185b6befed244379d7e03e42e5d70244d904757ea3d33a88f34c317c4d15c68b98f59e6218f7ac848598ab7da2e78e3b2da3488036db4c47059e0b
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser