stringdata.sk - dns.ninja

`stringdata.sk`

DNSSEC	⚠️ Not signed
NS	`ns1.sdserver.cz` ⭐ ⚠️ Not in parent delegation
NS	`ns.sdserver.cz` ⚠️ Not in parent delegation
		A	212.158.143.10^{🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block}
NS	`ns2.sdserver.cz` ⚠️ Not in zone NS records
		A	212.158.143.16^{🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block}
NS	`ns3.sdserver.cz`
		A	84.244.96.162^{🇨🇿 BlueTone-AS84.244.64.0/18 BlueTone-CRa-CZ Third address block}
NS	`ns4.sdserver.cz` ⚠️ Not in parent delegation
MX	`sdmail3.sdserver.cz` ⭐
		A	212.158.143.99^{🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block}
MX	`sdmail2.sdserver.cz`⁽²⁰⁾
		A	212.158.143.88^{🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block}
TXT	`v=spf1 ip4:212.158.143.0/25 -all`
SOA	`ns.sdserver.cz`dns-admin@stringdata.cz 2023-11-16 #7

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018555766

Same first word

stringdata.org

stringdata.eu

stringdata.info

stringdata.net

stringdata.cz

stringdata.sk

stringdata.com

Similar names

DNS History

13 records (7 active, 6 former)

●NSns.sdserver.cz2018-08-17 → 2026-06-19 · 3 obs

○ 2017-02-13 06:35:58
● 2018-08-17 12:00:36
● 2026-06-19 00:46:08

●NSns1.sdserver.cz2015-05-21 → 2026-06-19 · 8 obs

● 2015-05-21 14:46:22
● 2017-02-13 06:35:58
○ 2018-08-17 12:00:36
● 2026-03-19 11:58:28
● 2026-05-07 06:15:10
○ 2026-06-13 21:59:46
● 2026-06-19 00:46:06
● 2026-06-19 00:46:08

●NSns2.sdserver.cz2015-05-21 → 2026-06-19 · 2 obs

● 2015-05-21 14:46:22
● 2026-06-19 00:46:08

●NSns3.sdserver.cz2015-05-21 → 2026-06-19 · 2 obs

● 2015-05-21 14:46:22
● 2026-06-19 00:46:08

●NSns4.sdserver.cz2015-05-21 → 2026-06-19 · 2 obs

● 2015-05-21 14:46:22
● 2026-06-19 00:46:08

○NSsrv1.sdserver.cz2015-05-21 → 2017-02-13 · 4 obs

● 2015-05-21 14:46:22
● 2017-02-13 06:35:58
○ 2018-08-17 12:00:36
○ 2026-06-19 00:46:08

○MXmail.sdserver.cz2015-05-21 → 2018-08-17 · 6 obs

● 2015-05-21 14:46:22
● 2016-04-19 05:44:36
○ 2017-02-13 06:35:58
● 2018-08-17 12:00:36
○ 2026-03-19 11:58:28
○ 2026-06-19 00:46:08

○MXmail.stringdata.cz2017-02-13 → 2017-02-13 · 4 obs

○ 2016-04-19 05:44:36
● 2017-02-13 06:35:58
○ 2018-08-17 12:00:36
○ 2026-06-19 00:46:08

○MXmail2.sdserver.cz2015-05-21 → 2018-08-17 · 4 obs

● 2015-05-21 14:46:22
● 2018-08-17 12:00:36
○ 2026-03-19 11:58:28
○ 2026-06-19 00:46:08

●MXsdmail2.sdserver.cz2026-03-19 → 2026-06-19 · 3 obs

○ 2018-08-17 12:00:36
● 2026-03-19 11:58:28
● 2026-06-19 00:46:08

●MXsdmail3.sdserver.cz2026-03-19 → 2026-06-19 · 3 obs

○ 2018-08-17 12:00:36
● 2026-03-19 11:58:28
● 2026-06-19 00:46:08

○A212.158.143.252018-08-17 → 2018-08-17 · 4 obs

○ 2017-02-13 06:35:58
● 2018-08-17 12:00:36
○ 2026-03-19 11:58:28
○ 2026-06-19 00:46:08

○A81.0.239.662015-05-21 → 2017-02-13 · 4 obs

● 2015-05-21 14:46:22
● 2017-02-13 06:35:58
○ 2018-08-17 12:00:36
○ 2026-06-19 00:46:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	g.tld.sk, e.tld.sk, f.tld.sk, h.tld.sk	-
stringdata.sk	ns2.sdserver.cz, ns1.sdserver.cz	-

✅ Authoritative Response

Server:212.158.143.16

NS records: ns2.sdserver.cz, ns1.sdserver.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stringdata.sk (unsigned zone)

⏱️ Timing

Total: 1151ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns4.sdserver.cz, ns.sdserver.cz...`
MX	2	`sdmail2.sdserver.cz (pri: 20), sdmail3.sdserver.cz (pri: 10)`
TXT	1	`v=spf1 ip4:212.158.143.0/25 -all`
SOA	1	`ns.sdserver.cz dns-admin.stringdata.cz`

Analysis

Name Servers

The authoritative name servers for stringdata.sk are ns1.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz and two others.

There is at least partial name server overlap between stringdata.sk and other domains — binf.cz, 24h.cz, stringdata.org and two more among them.

These name servers tend to appear in combination with the name servers ns.sdserver.cz, ns4.sdserver.cz, ns1.bluetone.cz and ns.bluetone.cz.

ns2.sdserver.cz, ns3.sdserver.cz and ns.sdserver.cz all have one IP address each — ns2.sdserver.cz directs to 212.158.143.16, ns3.sdserver.cz directs to 84.244.96.162 and ns.sdserver.cz directs to 212.158.143.10.

Mail Servers

The MX records for stringdata.sk point to two mail servers: sdmail2.sdserver.cz and sdmail3.sdserver.cz.

Like ultimaterpa.com and stringdata.com, stringdata.sk has the same mail server arrangement as several other domains.

Some mail servers of stringdata.sk are also used by other domains, notably sdserver.cz and string.cz.

It is common to find these mail servers paired with the mail servers sdmail.sdserver.cz.

sdmail2.sdserver.cz → 212.158.143.88 and sdmail3.sdserver.cz → 212.158.143.99: one IP number per host name.