nielseriknielsen.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.67	600s	prolinux2.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a	lb-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	600s	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	600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.21.41.67
🔶 Autoconfig	185.21.41.67

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 200ms

TXT Record
google-site-verification=85kKj1ghInIPfKFtJO4UayUbB3bajzfklNUt7ZvBx50
v=spf1 a mx include:spf.curanet.dk include:spf.netsite.dk include:_spf-hosting.eg.dk include:_spf.google.com ~all

✉️ SPF

Policy	Record (nielseriknielsen.dk)
~all (soft fail)	v=spf1 a mx include:spf.curanet.dk include:spf.netsite.dk include:_spf-hosting.eg.dk include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.nielseriknielsen.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

46ms

MX

39ms

AAAA

41ms

TXT

200ms

CAA

58ms

HTTPS

44ms

TLSA

107ms

SOA

0ms

MTA-STS

69ms

DNSSEC

84ms

SRV

73ms

Total

778ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 21:16:28	778ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-14 21:38:17	5332ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-16 08:53:29	1058ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-26 20:01:05	879ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-25 18:49:20	599ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-24 01:56:07	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 13:31:51	757ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 13:30:05	2939ms	2 NS 1 A 5 MX	🔒 Secure	View