kluwer.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.203.237	3600s	cp08.nordicway.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ASPMX.L.GOOGLE.COM	2a00:1450:4010:c1e::1a 74.125.205.27	lb-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT1.ASPMX.L.GOOGLE.COM	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT2.ASPMX.L.GOOGLE.COM	173.194.41.27 173.194.41.27 2404:6800:4013:813::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT3.ASPMX.L.GOOGLE.COM	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT4.ASPMX.L.GOOGLE.COM	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 242ms

TXT Record
v=spf1 +a +mx +ip4:142.132.203.237 include:_spf.google.com include:relay.mailchannels.net ~all
v=spf1 +a +mx +ip4:142.132.203.237 include:relay.mailchannels.net ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (kluwer.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:142.132.203.237 include:_spf.google.com include:relay.mailchannels.net ~all
~all (soft fail)	v=spf1 +a +mx +ip4:142.132.203.237 include:relay.mailchannels.net ~all

📨 DMARC

Policy	Record (_dmarc.kluwer.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.kluwer.dk	v460gTJhpfcztTdXRDmrVpo90hatoIjAxGAmZVimCoU

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC114ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026072801
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

51ms

MX

39ms

AAAA

37ms

TXT

242ms

CAA

47ms

HTTPS

44ms

TLSA

48ms

SOA

0ms

MTA-STS

54ms

DNSSEC

114ms

SRV

57ms

Total

803ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:07:04	803ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 10:52:42	13083ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-26 08:53:32	1116ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 03:31:03	6564ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-07 04:23:08	1643ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-19 21:00:58	1485ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-19 07:26:38	5366ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 21:41:37	1166ms	2 NS 1 A 5 MX	🔒 Secure	View