`single-molecule.org`

DNSSEC	⚠️ Not signed
A	85.214.196.205^{🇩🇪 STRATO85.214.0.0/15 AG}
		PTR	`picoquant.com`
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-03-12 #11

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

MX for

single-molecule.org

Same first word

single-molecule.de

single-molecule.org

DNS History

11 records (4 active, 7 former)

●NSns.second-ns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2018-07-25 05:38:24
● 2026-03-23 22:03:18

○NSns.stratoserver.net2015-06-13 → 2016-04-24 · 4 obs

● 2015-06-13 02:46:06
● 2016-04-24 03:48:46
○ 2017-02-08 22:29:46
○ 2026-03-23 22:03:18

●NSns1.your-server.de2026-03-23 → 2026-03-23 · 2 obs

○ 2018-07-25 05:38:24
● 2026-03-23 22:03:18

○NSns2.stratoserver.net2015-06-13 → 2016-04-24 · 4 obs

● 2015-06-13 02:46:06
● 2016-04-24 03:48:46
○ 2017-02-08 22:29:46
○ 2026-03-23 22:03:18

●NSns3.second-ns.de2026-03-23 → 2026-03-23 · 2 obs

○ 2018-07-25 05:38:24
● 2026-03-23 22:03:18

○NSns3.stratoserver.net2017-02-08 → 2018-07-25 · 4 obs

○ 2016-04-24 03:48:46
● 2017-02-08 22:29:46
● 2018-07-25 05:38:24
○ 2026-03-23 22:03:18

○NSns4.stratoserver.net2017-02-08 → 2018-07-25 · 4 obs

○ 2016-04-24 03:48:46
● 2017-02-08 22:29:46
● 2018-07-25 05:38:24
○ 2026-03-23 22:03:18

○MXsingle-molecule.org2015-06-13 → 2018-07-25 · 3 obs

● 2015-06-13 02:46:06
● 2018-07-25 05:38:24
○ 2026-03-23 22:03:18

○A81.169.253.2312015-06-13 → 2017-02-08 · 4 obs

● 2015-06-13 02:46:06
● 2017-02-08 22:29:46
○ 2018-07-25 05:38:24
○ 2026-03-23 22:03:18

●A85.214.196.2052026-03-23 → 2026-03-23 · 2 obs

○ 2018-07-25 05:38:24
● 2026-03-23 22:03:18

○A85.214.90.1102018-07-25 → 2018-07-25 · 3 obs

○ 2017-02-08 22:29:46
● 2018-07-25 05:38:24
○ 2026-03-23 22:03:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
single-molecule.org	ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com	-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for single-molecule.org (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.214.196.205`
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
SOA	1	`ns1.your-server.de postmaster.your-serve`

Analysis

Mail Server Role

single-molecule.org serves as the mail server for single-molecule.org.

IP Addresses

single-molecule.org points to a single IP number: 85.214.196.205.

Other host names, for instance single-molecules.org, picoquant.com, photon-counting.org, single-molecule.de and tcspc.com share IP numbers with single-molecule.org.

Name Servers

The delegation for single-molecule.org is handled by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

single-molecule.org at least partially shares name servers with other domains, for instance cbm-ac.eu, 4.5.4.3.c.2.c.0.8.f.4.0.1.0.a.2.ip6.arpa, 172.90.157.in-addr.arpa, semejnonasilstvo.org.mk and bodoschulte.de.

Two IP numbers per host:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

single-molecule.org - robtex.com