`kernmainz.de`

DNSSEC	⚠️ Not signed
A	91.202.42.250^{🇩🇪 PLUTEX91.202.40.0/22}
		PTR	`91-202-42-250.static.plutex.de`
NS	`ns3.stratoserver.net` ⭐
		A	2607:f1c0:fe:53:185:132:34:159^{🇺🇸 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	`ns3.stratoserver.net`
		A	185.132.34.159^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns3.stratoserver.net`
NS	`ns4.stratoserver.net`
		A	2001:8d8:fe:53:5747:2a74:d:32^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
		A	217.160.80.159^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
MX	`kernmainz.de` ⭐
		A	91.202.42.250^{🇩🇪 PLUTEX91.202.40.0/22}
			PTR	`91-202-42-250.static.plutex.de`
TXT	`v=spf1 mx a include:spf.protection.outlook.com include:spf.nl2go.com ip4:109....`
SOA	`ns3.stratoserver.net`hostmaster@strato-rz.de 2020-05-13 #4

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1778750864

MX for

kernmainz.de

Same first word

kernmainz.de

DNS History

6 records (4 active, 2 former)

○NSns.stratoserver.net2015-07-03 → 2016-04-28 · 4 obs

● 2015-07-03 19:06:42
● 2016-04-28 07:23:02
○ 2017-02-01 01:57:32
○ 2026-05-14 09:48:24

○NSns2.stratoserver.net2015-07-03 → 2016-04-28 · 4 obs

● 2015-07-03 19:06:42
● 2016-04-28 07:23:02
○ 2017-02-01 01:57:32
○ 2026-05-14 09:48:24

●NSns3.stratoserver.net2017-02-01 → 2026-05-14 · 3 obs

○ 2016-04-28 07:23:02
● 2017-02-01 01:57:32
● 2026-05-14 09:48:24

●NSns4.stratoserver.net2017-02-01 → 2026-05-14 · 3 obs

○ 2016-04-28 07:23:02
● 2017-02-01 01:57:32
● 2026-05-14 09:48:24

●MXkernmainz.de2015-07-03 → 2026-05-14 · 2 obs

● 2015-07-03 19:06:42
● 2026-05-14 09:48:24

●A91.202.42.2502015-07-03 → 2026-05-14 · 2 obs

● 2015-07-03 19:06:42
● 2026-05-14 09:48:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
kernmainz.de	ns4.stratoserver.net, ns3.stratoserver.net	-

✅ Authoritative Response

Server:217.160.80.159

NS records: ns4.stratoserver.net, ns3.stratoserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernmainz.de (unsigned zone)

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.202.42.250`
NS	2	`ns4.stratoserver.net, ns3.stratoserver.net`
MX	1	`kernmainz.de (pri: 10)`
TXT	1	`v=spf1 mx a include:spf.protection.outlo`
SOA	1	`ns3.stratoserver.net hostmaster.strato-r`

Analysis

Mail Server Role

kernmainz.de serves as a mail server for kernmainz.de.

IP Addresses

kernmainz.de points to a single IP: 91.202.42.250.

Other host names, for instance kernmuenchen.de, kernhannover.de and kernkassel.de share IP numbers with kernmainz.de.

Name Servers

kernmainz.de's delegation is to two name servers ns3.stratoserver.net and ns4.stratoserver.net.

kernmainz.de shares the same name server configuration as other domains, such as slm-2.de, team-trigenio.de, sprechinsel.de, meineverfuegungen.de and politblog.org.

Host names with two IP numbers: ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159

Mail Servers

kernmainz.de is handled by a single mail server.

kernmainz.de points to IP number 91.202.42.250.

kernmainz.de - robtex.com

kernmainz.de

de