optima-strings.com - dns.ninja

`optima-strings.com`

DNSSEC	⚠️ Not signed
A	185.226.242.66^{🇩🇪 QMEX185.226.242.0/24}
		PTR	`srv01.smusic.zone`
NS	`nsa3.schlundtech.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`nsb3.schlundtech.de`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`nsc3.schlundtech.de`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`nsd3.schlundtech.de`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`mx07.mxgate.org` ⭐
		A	185.226.241.101^{🇩🇪 QMEX185.226.241.0/24}
			PTR	`mx07.mxgate.org`
MX	`mx08.mxgate.org` ⭐
		A	91.232.22.10^{🇩🇪 QMEX91.232.22.0/24}
			PTR	`mx08.mxgate.org`
TXT	`sw-domain-hash=0d628e75f126b44045f69c2e681922b0`
TXT	`v=spf1 include:spfinc.post.gotomaxx.com a mx a:optima-strings.com ip4:185.226...`
TXT	`PDFMAILER.CLOUD:6847:453bd02e46286140ddd71b558f7832158034ba484fd4ec99ae0c4312...`
TXT	`stripe-verification=9fc68f6985df265d46cc1adeb744e4b647a2762f554d85c462db7163d...`
TXT	`google-site-verification=z9svx3pAvb6-0D457_BSDu2oYBsMAJmHpF7V4clkhqE`
SOA	`nsa3.schlundtech.de`a@as-n.de 2025-05-06 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785852399

Previously MX for

optima-strings.com

Same first word

optima-strings.com

DNS History

16 records (7 active, 9 former)

○NSns10.schlundtech.de2007-08-23 → 2007-08-23 · 3 obs

● 2007-08-23 09:38:08
○ 2015-07-16 00:25:14
○ 2026-08-04 14:08:04

○NSns9.schlundtech.de2007-08-23 → 2007-08-23 · 3 obs

● 2007-08-23 09:38:08
○ 2015-07-16 00:25:14
○ 2026-08-04 14:08:04

●NSnsa3.schlundtech.de2015-07-16 → 2026-08-04 · 3 obs

○ 2007-08-23 09:38:08
● 2015-07-16 00:25:14
● 2026-08-04 14:08:04

●NSnsb3.schlundtech.de2015-07-16 → 2026-08-04 · 3 obs

○ 2007-08-23 09:38:08
● 2015-07-16 00:25:14
● 2026-08-04 14:08:04

●NSnsc3.schlundtech.de2015-07-16 → 2026-08-04 · 3 obs

○ 2007-08-23 09:38:08
● 2015-07-16 00:25:14
● 2026-08-04 14:08:04

●NSnsd3.schlundtech.de2015-07-16 → 2026-08-04 · 3 obs

○ 2007-08-23 09:38:08
● 2015-07-16 00:25:14
● 2026-08-04 14:08:04

●MXmx07.mxgate.org2026-04-25 → 2026-08-04 · 3 obs

○ 2018-06-01 03:05:32
● 2026-04-25 15:30:46
● 2026-08-04 14:08:04

●MXmx08.mxgate.org2026-04-25 → 2026-08-04 · 3 obs

○ 2018-06-01 03:05:32
● 2026-04-25 15:30:46
● 2026-08-04 14:08:04

○MXoptima-strings.com2015-11-15 → 2017-01-10 · 4 obs

● 2015-11-15 00:50:48
● 2017-01-10 03:09:54
○ 2018-06-01 03:05:32
○ 2026-08-04 14:08:04

○MXsrv01.smusic.zone2018-06-01 → 2018-06-01 · 4 obs

○ 2017-01-10 03:09:54
● 2018-06-01 03:05:32
○ 2026-04-25 15:30:46
○ 2026-08-04 14:08:04

○A136.243.169.1322016-05-13 → 2017-01-10 · 5 obs

○ 2016-02-05 23:30:32
● 2016-05-13 19:20:02
● 2017-01-10 03:09:54
○ 2018-06-01 03:05:32
○ 2026-08-04 14:08:04

○A148.251.213.1162016-02-05 → 2016-02-05 · 4 obs

○ 2015-11-15 00:50:48
● 2016-02-05 23:30:32
○ 2016-05-13 19:20:02
○ 2026-08-04 14:08:04

●A185.226.242.662026-04-25 → 2026-08-04 · 3 obs

○ 2018-06-01 03:05:32
● 2026-04-25 15:30:46
● 2026-08-04 14:08:04

○A5.9.29.392015-07-16 → 2015-11-15 · 5 obs

○ 2007-08-23 09:38:08
● 2015-07-16 00:25:14
● 2015-11-15 00:50:48
○ 2016-02-05 23:30:32
○ 2026-08-04 14:08:04

○A85.214.32.192007-08-23 → 2007-08-23 · 3 obs

● 2007-08-23 09:38:08
○ 2015-07-16 00:25:14
○ 2026-08-04 14:08:04

○A88.99.216.2052018-06-01 → 2018-06-01 · 4 obs

○ 2017-01-10 03:09:54
● 2018-06-01 03:05:32
○ 2026-04-25 15:30:46
○ 2026-08-04 14:08:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
optima-strings.com	nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de, nsd3.schlundtech.de	-

✅ Authoritative Response

Server:185.132.34.227

NS records: nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de, nsd3.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optima-strings.com (unsigned zone)

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.226.242.66`
NS	4	`nsd3.schlundtech.de, nsa3.schlundtech.de...`
MX	2	`mx08.mxgate.org (pri: 10), mx07.mxgate.org (pri: 10)`
TXT	5	`sw-domain-hash=0d628e75f126b44045f69c2e6, v=spf1 include:spfinc.post.gotomaxx.com ...`
SOA	1	`nsa3.schlundtech.de a.as-n.de`

Analysis

IP Addresses

optima-strings.com has exactly one IP address — 185.226.242.66.

saiten-katalog.de, www.schneidermusik.de, saitenkatalog.at plus two other host names have IP numbers in common with optima-strings.com.

Name Servers

Four name servers handle the delegation for optima-strings.com: nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de and nsd3.schlundtech.de.

There is at least partial name server overlap between optima-strings.com and other domains — andreaslink.de, linuxschmie.de, bizztravel.de and two more among them.

All four hostnames — nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de and nsd3.schlundtech.de — resolve to two IP numbers apiece: nsa3.schlundtech.de to 185.132.34.227 and 2607:f1c0:fe:53:185:132:34:227; nsb3.schlundtech.de to 185.132.35.227 and 2607:f1c0:fe:53:185:132:35:227; nsc3.schlundtech.de to 217.160.80.227 and 2001:8d8:fe:53:217:160:80:227; nsd3.schlundtech.de to 217.160.81.227 and 2001:8d8:fe:53:217:160:81:227.

Mail Servers

optima-strings.com uses two mail servers, mx07.mxgate.org and mx08.mxgate.org.

The mail server setup of optima-strings.com matches that of other domains such as intercope.com, vkh-online.com, espadi.de and two others.

optima-strings.com and a number of other domains — medi-king.com, csc-ag.com, mediking.de and maxknax.net among them — share at least some of the same mail servers.

mx07.mxgate.org → 185.226.241.101 and mx08.mxgate.org → 91.232.22.10: one IP number per host name.