python-summit.ch - dns.ninja

`python-summit.ch`

DNSSEC	⚠️ Not signed
A	104.198.14.52^{🇺🇸 Google104.198.0.0/20}
		PTR	`52.14.198.104.bc.googleusercontent.com`
NS	`ns1.hosttech.ch` ⭐
		A	2001:1680:101:1::2^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
		A	82.220.34.231^{🇨🇭 SOLNET82.220.0.0/16 SolNet Switzerland}
			PTR	`ns1.tripledns.eu`
NS	`ns2.hosttech.ch`
		A	2001:1af8:4700:a120:4::2^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	5.79.97.178^{🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB}
			PTR	`ns2.tripledns.eu`
NS	`ns3.hosttech.ch`
		A	2a01:4f8:c0c:289d::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	94.130.74.45^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
			PTR	`ns3.tripledns.eu`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.hosttech.ch`info@python-summit.ch 2025-02-26 #2

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-06-29 #39

Same first word

python-summit.ch

python-summit.de

DNS History

15 records (9 active, 6 former)

●NSns1.hosttech.ch2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

○NSns1.seantis.ch2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

●NSns2.hosttech.ch2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

○NSns2.seantis.ch2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

●NSns3.hosttech.ch2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

○NSns3.seantis.ch2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

●MXalt1.aspmx.l.google.com2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

●MXalt2.aspmx.l.google.com2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

●MXalt3.aspmx.l.google.com2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

●MXalt4.aspmx.l.google.com2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

●MXaspmx.l.google.com2026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

○MXmail.seantis.ch2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

●A104.198.14.522026-04-05 → 2026-06-29 · 3 obs

○ 2018-05-06 15:07:14
● 2026-04-05 05:00:04
● 2026-06-29 18:07:56

○A192.30.252.1532018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

○A192.30.252.1542018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 15:07:14
○ 2026-04-05 05:00:04
○ 2026-06-29 18:07:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	e.nic.ch, a.nic.ch, d.nic.ch, b.nic.ch...	-
python-summit.ch	ns2.hosttech.ch, ns1.hosttech.ch, ns3.hosttech.ch	6 records

✅ Authoritative Response

Server:5.79.97.178

NS records: ns2.hosttech.ch, ns1.hosttech.ch, ns3.hosttech.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for python-summit.ch (unsigned zone)

⏱️ Timing

Total: 568ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.198.14.52`
NS	3	`ns2.hosttech.ch, ns3.hosttech.ch...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns1.hosttech.ch info.python-summit.ch`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.hosttech.ch, ns2.hosttech.ch, ns1.hosttech.ch...)

Analysis

IP Addresses

python-summit.ch has exactly one IP address — 104.198.14.52.

megasociety.net, csod.la, edmundofuentes.com plus two other host names have IP numbers in common with python-summit.ch.

Name Servers

python-summit.ch is served by three name servers: ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch.

At least some of python-summit.ch's name servers are shared with other domains, for example san-mar.ch, briefserver.at, stadt.be and two more.

These name servers tend to co-occur with ns1.hostserv.eu, ns2.hostserv.eu, ns3.hostserv.eu and 3 other name servers in the same DNS delegations.

The hostnames ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch each direct to two IP addresses — ns1.hosttech.ch to 82.220.34.231 and 2001:1680:101:1::2, ns2.hosttech.ch to 5.79.97.178 and 2001:1af8:4700:a120:4::2, and ns3.hosttech.ch to 94.130.74.45 and 2a01:4f8:c0c:289d::2.

Mail Servers

python-summit.ch has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by python-summit.ch are shared with other domains: ns500671.ns500731.ns500742.ns500754.ns500754.ns500742.ns500704.ns500704.ns500649.ns500666.ns500649.ns500153.tenderladiesbz.com, schwegler.net, gratorama.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

The A records for aspmx.l.google.com return 142.251.163.27 and 2607:f8b0:4004:c17::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.