MoinQ:

Contents

  1. whois
  2. history

random subdomain block

The Open Source Geospatial Foundation

https://osgeo.org -> https://www.osgeo.org

www.osgeo.org. 432000 IN CNAME web.osgeo9.osgeo.org.

web.osgeo9.osgeo.org. 432000 IN A 140.211.15.13

サブドメインはすべて返答しないような感じもする。

1. whois

osgeo.org.              432000  IN      NS      NS2.PAIRNIC.COM.
osgeo.org.              432000  IN      NS      NS1.PAIRNIC.COM.

2. history

$ dig -t a randomsubdom.osgeo.org @ns1.pairnic.com
;; communications error to 216.92.3.91#53: timed out
;; communications error to 216.92.3.91#53: timed out
;; communications error to 216.92.3.91#53: timed out
;; UDP setup with 2607:f440::d85c:35b#53(2607:f440::d85c:35b) for randomsubdom.osgeo.org failed: network unreachable.

$ dig -t a web.osgeo9.osgeo.org @ns1.pairnic.com
;; communications error to 216.92.3.91#53: timed out
;; communications error to 216.92.3.91#53: timed out
;; communications error to 216.92.3.91#53: timed out
;; UDP setup with 2607:f440::d85c:35b#53(2607:f440::d85c:35b) for web.osgeo9.osgeo.org failed: network unreachable.

$ dig -t a www.osgeo.org @8.8.8.8

; <<>> DiG 9.18.12-0ubuntu0.22.04.1-Ubuntu <<>> -t a www.osgeo.org @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 42924
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
; NSID: 67 70 64 6e 73 2d 6e 72 74 ("gpdns-nrt")
;; QUESTION SECTION:
;www.osgeo.org.                 IN      A

;; Query time: 2008 msec
;; SERVER: 8.8.8.8#53(8.8.8.8) (UDP)
;; WHEN: Fri May 19 05:15:09 JST 2023
;; MSG SIZE  rcvd: 55


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MoinQ: DDoS/osgeo.org (last edited 2023-05-18 21:14:42 by ToshinoriMaeno)