istern.dk DNS records

🖥️ Nameservers2 records 66ms

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 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	—	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—

📧 MX Records5 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lm-in-f26.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.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
10	—	aspmx2.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	aspmx3.googlemail.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 205ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (istern.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.istern.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4vi31k8j@ag.dmarcian-eu.com

📬 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)

🔐 DNSSEC206ms

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

🏷️ SOA55ms

Field	Value
Serial	2026053101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-06 17:14:16

Field	Value
Registrar	ONE.COM A/S
Registered	2009-04-24
Expires	2027-04-30 (238d)

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

71ms

MX

59ms

AAAA

94ms

TXT

205ms

CAA

67ms

HTTPS

120ms

TLSA

259ms

SOA

55ms

MTA-STS

116ms

DNSSEC

206ms

SRV

0ms

Total

2899ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 03:41:46	742ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-06 17:05:36	5366ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-02 09:54:42	2630ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-26 07:13:57	1948ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-25 03:22:45	2255ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 07:12:47	642ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 13:13:21	2899ms	2 NS 1 A 5 MX	🔒 Secure	View