1 files changed, 66 insertions, 0 deletions

diff --git a/skripti/1domains.py b/skripti/1domains.py
new file mode 100755
index 0000000..ca8faf4
--- /dev/null
+++ b/skripti/1domains.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python3
+from sys import stderr, stdout
+from dns.resolver import resolve, LifetimeTimeout
+from dns.query import udp
+from dns.message import make_query
+from dns.exception import Timeout
+from dns.rcode import NXDOMAIN
+from requests import get
+from random import sample
+candidates = []
+# for d in get("https://data.iana.org/TLD/tlds-alpha-by-domain.txt").content.split(b"\n"):
+for d in [b"ac", b"af", b"ag", b"ai", b"am", b"bo", b"by", b"bz", b"cm", b"cn", b"co", b"cr", b"cx", b"cz", b"de", b"dk", b"fm", b"gd", b"gg", b"gl", b"gp", b"gs", b"gt", b"gy", b"hn", b"hr", b"ht", b"ie", b"im", b"io", b"is", b"je", b"kg", b"ki", b"kw", b"la", b"lb", b"lc", b"ly", b"md", b"mg", b"mk", b"mp", b"ms", b"mw", b"mx", b"mu", b"nf", b"np", b"nz", b"pe", b"ph", b"pk", b"pl", b"pn", b"pr", b"pw", b"ro", b"sh", b"st", b"tc", b"tl", b"tt", b"to", b"tv", b"ua", b"vc", b"vg", b"vn", b"vu", b"ws"]:
+	if d.startswith(b"# ") or d == b"":
+		continue
+	if len(d) != 2:
+		continue
+	d = d.decode()
+	# print(d, file=stderr)
+	ips = []
+	try:
+		for ns in resolve(d, "NS"):
+			for ip in resolve(ns.to_text()):
+				ips.append(ip.to_text())
+	except LifetimeTimeout:
+		print(f"{d} timeout resolving tld ns")
+		continue
+	nx = []
+	has = None
+	for c in "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ":
+		try:
+			tries_left = 5
+			while True:
+				try:
+					ip = sample(ips, 1)[0]
+					r = udp(make_query(c + "." + d, "NS"), ip, 1, raise_on_truncation=False)
+				except Timeout:
+					print(f"{c}.{d} timeout with ip {ip}", file=stderr)
+					ips.remove(ip)
+					tries_left -= 1
+					if tries_left < 0:
+						raise Timeout
+				else:
+					break
+		except Timeout:
+			print(f"{c}.{d} timeouted, skipping TLD")
+			break
+		except ValueError:
+			print(f"{d} is unreachable -- all ips timeouted")
+			continue
+		if r.rcode() == NXDOMAIN:
+			nx.append(c)
+		else:
+			# TODO check if NS points to an unregistered domain
+			# print(f"{c}.{d} resolves to {r.sections}")
+			has = c
+	else:
+		if has is not None:
+			print(f"{d} nxdomains are {nx}")
+			for n in nx:
+				candidates.append(n + "." + d)
+		else:
+			print(f"{d} doesn't have")
+	stdout.flush()
+print("*************** SCRIPT EXEC FINISHED, candidate list:")
+for candidate in candidates:
+	print(candidate)