extension.harvard.edu

Observed 2026-06-15T16:18:00.216483453+00:00 (1h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
e01b3ea5-cb7e-4bcb-9b4a-6ae343bf936e
Output Hash
2898e7dac29621d39fa91ea88506d6846e544d05d9cce1be0413b9a0333b67cc
Signature
ed25519:e556783849648ec1ba1d7fe6592eb3dc3cbb93325d9e4f1ba5314cc80e11c8b7e8b361a897159df93c37a9d9cbe8ed0182c5c077267b510ba75b21d9e98ffa0a
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 23.185.0.1

AAAA 2

  • 2620:12a:8000::1
  • 2620:12a:8001::1

MX 2

  • {"priority":100,"exchange":"mx0b-00171101.pphosted.com"}
  • {"priority":100,"exchange":"mx0a-00171101.pphosted.com"}

TXT 8

  • anthropic-domain-verification-yma60b=iIYn7CygYmxD9f8ynJOmz5Z5V
  • google-site-verification=KTzOUo7gPXWp3jvnDRB5lCXzpGx2Sh7Osjm_5Pvixa0
  • google-site-verification=tzmjMGjzKQVBgEZzniAHdkyyh7E3bwl6wAgf0kIfTQM
  • openai-domain-verification=dv-VUo8zaxeVwykPdyNqwwDoWXi
  • v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
  • google-site-verification=y1KmMSc7jtK8BUkTSVvhvf4LqRL3OPz3Zy5YKr-VZBE
  • v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
  • v=BIMI1; l=https://extension.harvard.edu/wp-content/uploads/sites/8/2024/01/EXT_Shield_Bimi.svg

NS 6

  • a16-64.akam.net
  • a7-65.akam.net
  • a11-67.akam.net
  • a1-171.akam.net
  • a6-66.akam.net
  • a10-66.akam.net

SOA 1

  • {"mname":"a1-171.akam.net","rname":"netmanager.harvard.edu","serial":2023062068,"refresh":10800,"retry":3600,"expire":2419200,"minimum":3600}

SRV 2

  • {"priority":10,"weight":10,"port":5222,"target":"dcedecode2.dce.harvard.edu"}
  • {"priority":10,"weight":10,"port":5269,"target":"dcedecode2.dce.harvard.edu"}

TLS Certificates (3)

Common NameIssuerExpires
alumni.extension.harvard.edu C=US, O=Let's Encrypt, CN=YR1 Fri, 11 Sep 2026 15:20:28 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (3)