gu.se

Observed 2026-07-13T01:32:48.180Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also usesAtlassianGoogle Search ConsoleFacebook/MetaMiro

7 subdomains · tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat gu.se actually stands on - every host below is a signed observation

gu.se

A / AAAA

130.241.39.203

Cloudflareserves the site

ns2.chalmers.sens1.net.gu.sesunic.sunet.sens2.net.gu.se

chalmers.se + gu.se + moreanswers its DNS

gu-se.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.gu.se/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time926 ms

DNS resolutionNOERROR

Redirect chain

https://www.gu.se/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

130.241.39.203

MX 1

10gu-se.mail.protection.outlook.com

TXT 20

mandrill_verify.oCFTiTf4NIqZmUDkSDW1vA
atlassian-domain-verification=6Z6mb/CK6tL0szYjaJhRwpuBMgurE2vRjNw7AHfrowHpyFCT6aU25yAaEPEC7a3T
MS=ms77028744
google-site-verification=d51zezRWehjY_tfUfKR25u-IJsh9ri5QiK88i73cpBw
mentimeter-5a7c3cdb-74b0-43f5-bad0-f7bc1cd02a8f
v=spf1 ip4:130.235.56.200 ip4:79.136.98.172 ip4:91.123.56.128 ip4:193.26.30.0/25 ip4:217.28.204.8 ip4:195.10.211.16 ip4:193.12.108.68 ip4:213.157.70.73 ip4:213.157.70.75 ip4:88.151.78.132 ip4:130.241.135.107 ip4:130.241.135.110 include:spf.protection.outlook.com ip4:130.235.56.199 ip4:130.235.56.200 ip4:130.235.56.201 ip4:130.235.56.202 ip6:2001:6b0:16:1:5ee:bad:c0de:2200 ip6:2001:6b0:d:708:10:240:8:46 ip6:2001:6b0:d:708:10:240:8:48 ip6:2001:6b0:16:1:5ee:bad:c0de:2199 ip6:2001:6b0:16:1:5ee:bad:c0de:2201 ip6:2001:6b0:16:1:5ee:bad:c0de:2202 ip4:130.235.62.19 ip4:130.235.62.13 ip4:130.235.56.203 ip4:88.151.73.29 ip4:77.237.55.139 ip4:52.232.27.151 include:_spf.anpdm.com include:spf.hostingconnection.eu ip4:130.241.170.85 ip4:130.241.170.86 ip4:23.90.119.90 ip4:23.90.119.91 ip4:23.90.117.190 ip4:23.90.117.191 include:mail.webropolsurveys.com include:spf.mandrillapp.com include:spf.gansend.com include:_spf.ungapped.io include:spf.multinet.com ~all
mandrill_verify._CuH-xX7ZMOZE2ysN8mEjg
adobe-idp-site-verification=c2a0682bad454fc9abdaac816101ff94104948d70179e0bba9cc94fa464564cf
facebook-domain-verification=y5y71rnwe34fx1x2rj5w9jjdin0me8
facebook-domain-verification=nmt239dvy5mjzpu24ngkelqe9ww6r4

NS 4

ns2.chalmers.se
ns1.net.gu.se
sunic.sunet.se
ns2.net.gu.se

SOA 1

ns1.net.gu.se guns.gu.se

CAA 6

issue pki.goog
issue godaddy.com
issue sectigo.com
issue harica.gr
issue digicert.com
issue letsencrypt.org

TLS Certificates (0)

None.

Subdomains (7)

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 gu.se. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 52269a99-902b-4170-bc8e-487f15886b2b
Output Hash: 50bcffe2d6436ed3fd3b2df3762dd3515ce1bfc397b9014b3c9d5e89c27fd727
Signature: ed25519:779fbd675b82f33c39aa2f334db9211cdee4975472f71d39f1da24ec80a0f23fe368339728d6b527b8bf97814626b3d3bd3532826b6046bcd89196a83a887708
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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