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arc.gov.au

Observed Jul 21, 2026, 19:42 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onAmazon
Email byMicrosoft 365
Secured byLet's Encrypt
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arc.gov.au actually stands on - every host below is a signed observation
arc.gov.au
A / AAAA
13.236.242.19054.206.239.1854.252.75.26
Amazonserves the site
NS
ns1-03.azure-dns.comns2-03.azure-dns.netns3-03.azure-dns.orgns4-03.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS
MX
arc-gov-au.mail.protection.outlook.com
Microsoft 365receives its email
TLS
arc.gov.au
Let's Encryptissued its certificate

DNS Records

A 3

  • 13.236.242.190
  • 54.206.239.18
  • 54.252.75.26

MX 1

  • 5arc-gov-au.mail.protection.outlook.com

TXT 6

  • apple-domain-verification=s5HtOO8i7lyOzHSb
  • TkmcBkksGWBpbTpmyGdOwXXZqH/Ue4N8sJKC2Xuf9umnYYreIVrqieKC1k1gSPMX2/xUK8jSI3QB/xn7yamgHQ==
  • cisco-ci-domain-verification=459d8b9828c605dae29e17155e37b3fac4503b0c7c65d0a144695e509c4274b0
  • hpe-greenlake-domain-verification=4c55444b67437a4d714c766c4c5065617364336e337a69543250486445594d56
  • v=spf1 ip4:124.47.154.30 ip4:20.92.89.246 ip4:202.158.222.220 ip4:202.158.222.230 ip4:138.44.172.6 ip4:138.44.161.98 include:mailrelay.t1cloud.com include:stspg-customer.com include:spf.protection.outlook.com include:spf.dynect.net include:spf1.govcms.gov.au include:_spf.createsend.com include:spf.mandrillapp.com -all
  • v=DMARC1; p=quarantine; rua=mailto:arc-dmarc@arc.gov.au; ruf=mailto:arc-dmarc@arc.gov.au; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine

NS 4

  • ns1-03.azure-dns.com
  • ns2-03.azure-dns.net
  • ns3-03.azure-dns.org
  • ns4-03.azure-dns.info

SOA 1

  • ns1-03.azure-dns.com hostmaster.arc.gov.au

SRV 2

  • xmpp.arc.gov.au:5269 p0
  • autodiscover.arc.gov.au:443 p0

CAA 3

  • iodef "mailto:itl3@arc.gov.au"
  • issue "amazontrust.com"
  • issue "letsencrypt.org"

TLS Certificates (3)

Common NameIssuerExpires
arc.gov.au C=US, O=Let's Encrypt, CN=YR1 Mon, 28 Sep 2026 07:53:38 +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 (0)

None observed.

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 arc.gov.au. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_e05e50848242e7ea
Output Hash
3d3548e98092574dfdbcec9abb9c78443962ab6969e2d9d870f19d1d4ff61eda
Signature
ed25519:4b01651eed6b6fcb68eae1849863b15bbea77fa382de41d56ede4020930b40c42d076b1cf537e3bba54e2077dfd81a28eff1d0dab7a41c6e16a64fcb5ccc9d03
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser